Home / 125,730.79-173,508.54-69,142.15

Finding the Fourth Proportional to 125,730.79, 173,508.54 and 69,142.15

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Solution

The fourth proportional to 125,730.79, 173,508.54 and 69,142.15 is: 95,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,730.79 : 173,508.54 = 69,142.15 : x
  2. Step 2: Convert to fraction form
    125,730.79/173,508.54 = 69,142.15/x
  3. Step 3: Cross multiply
    125,730.79x = 173,508.54 × 69,142.15
  4. Step 4: Simplify right side
    125,730.79x = 11,996,753,498.96
  5. Step 5: Solve for x
    x = 11,996,753,498.96/125,730.79
  6. Step 6: Final answer
    x = 95,416.19

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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.