Home / 124,983.01-172,472.27-71,285.32

Finding the Fourth Proportional to 124,983.01, 172,472.27 and 71,285.32

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Solution

The fourth proportional to 124,983.01, 172,472.27 and 71,285.32 is: 98,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.01 : 172,472.27 = 71,285.32 : x
  2. Step 2: Convert to fraction form
    124,983.01/172,472.27 = 71,285.32/x
  3. Step 3: Cross multiply
    124,983.01x = 172,472.27 × 71,285.32
  4. Step 4: Simplify right side
    124,983.01x = 12,294,740,958.08
  5. Step 5: Solve for x
    x = 12,294,740,958.08/124,983.01
  6. Step 6: Final answer
    x = 98,371.30

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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.