Home / 76,205.60-114,316.08-26,279.20

Finding the Fourth Proportional to 76,205.60, 114,316.08 and 26,279.20

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Solution

The fourth proportional to 76,205.60, 114,316.08 and 26,279.20 is: 39,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.60 : 114,316.08 = 26,279.20 : x
  2. Step 2: Convert to fraction form
    76,205.60/114,316.08 = 26,279.20/x
  3. Step 3: Cross multiply
    76,205.60x = 114,316.08 × 26,279.20
  4. Step 4: Simplify right side
    76,205.60x = 3,004,135,129.54
  5. Step 5: Solve for x
    x = 3,004,135,129.54/76,205.60
  6. Step 6: Final answer
    x = 39,421.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.