Home / 125,729.79-173,507.16-69,141.15

Finding the Fourth Proportional to 125,729.79, 173,507.16 and 69,141.15

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Solution

The fourth proportional to 125,729.79, 173,507.16 and 69,141.15 is: 95,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,729.79 : 173,507.16 = 69,141.15 : x
  2. Step 2: Convert to fraction form
    125,729.79/173,507.16 = 69,141.15/x
  3. Step 3: Cross multiply
    125,729.79x = 173,507.16 × 69,141.15
  4. Step 4: Simplify right side
    125,729.79x = 11,996,484,575.63
  5. Step 5: Solve for x
    x = 11,996,484,575.63/125,729.79
  6. Step 6: Final answer
    x = 95,414.81

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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.