Home / 140,325.24-193,684.14-90,111.72

Finding the Fourth Proportional to 140,325.24, 193,684.14 and 90,111.72

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Solution

The fourth proportional to 140,325.24, 193,684.14 and 90,111.72 is: 124,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,325.24 : 193,684.14 = 90,111.72 : x
  2. Step 2: Convert to fraction form
    140,325.24/193,684.14 = 90,111.72/x
  3. Step 3: Cross multiply
    140,325.24x = 193,684.14 × 90,111.72
  4. Step 4: Simplify right side
    140,325.24x = 17,453,210,992.12
  5. Step 5: Solve for x
    x = 17,453,210,992.12/140,325.24
  6. Step 6: Final answer
    x = 124,376.85

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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.