Home / 102,765.69-141,777.28-62,464.75

Finding the Fourth Proportional to 102,765.69, 141,777.28 and 62,464.75

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Solution

The fourth proportional to 102,765.69, 141,777.28 and 62,464.75 is: 86,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,765.69 : 141,777.28 = 62,464.75 : x
  2. Step 2: Convert to fraction form
    102,765.69/141,777.28 = 62,464.75/x
  3. Step 3: Cross multiply
    102,765.69x = 141,777.28 × 62,464.75
  4. Step 4: Simplify right side
    102,765.69x = 8,856,081,641.99
  5. Step 5: Solve for x
    x = 8,856,081,641.99/102,765.69
  6. Step 6: Final answer
    x = 86,177.42

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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.