Home / 92,884.08-128,178-50,442.24

Finding the Fourth Proportional to 92,884.08, 128,178 and 50,442.24

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Solution

The fourth proportional to 92,884.08, 128,178 and 50,442.24 is: 69,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,884.08 : 128,178 = 50,442.24 : x
  2. Step 2: Convert to fraction form
    92,884.08/128,178 = 50,442.24/x
  3. Step 3: Cross multiply
    92,884.08x = 128,178 × 50,442.24
  4. Step 4: Simplify right side
    92,884.08x = 6,465,585,438.72
  5. Step 5: Solve for x
    x = 6,465,585,438.72/92,884.08
  6. Step 6: Final answer
    x = 69,609.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.