Home / 125,313.36-172,933.29-68,725.14

Finding the Fourth Proportional to 125,313.36, 172,933.29 and 68,725.14

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Solution

The fourth proportional to 125,313.36, 172,933.29 and 68,725.14 is: 94,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,313.36 : 172,933.29 = 68,725.14 : x
  2. Step 2: Convert to fraction form
    125,313.36/172,933.29 = 68,725.14/x
  3. Step 3: Cross multiply
    125,313.36x = 172,933.29 × 68,725.14
  4. Step 4: Simplify right side
    125,313.36x = 11,884,864,565.91
  5. Step 5: Solve for x
    x = 11,884,864,565.91/125,313.36
  6. Step 6: Final answer
    x = 94,841.16

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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.