Home / 125,127.30-172,674.89-67,765.71

Finding the Fourth Proportional to 125,127.30, 172,674.89 and 67,765.71

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Solution

The fourth proportional to 125,127.30, 172,674.89 and 67,765.71 is: 93,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,127.30 : 172,674.89 = 67,765.71 : x
  2. Step 2: Convert to fraction form
    125,127.30/172,674.89 = 67,765.71/x
  3. Step 3: Cross multiply
    125,127.30x = 172,674.89 × 67,765.71
  4. Step 4: Simplify right side
    125,127.30x = 11,701,436,181.19
  5. Step 5: Solve for x
    x = 11,701,436,181.19/125,127.30
  6. Step 6: Final answer
    x = 93,516.25

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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.