Home / 124,727.84-172,120.57-71,020.52

Finding the Fourth Proportional to 124,727.84, 172,120.57 and 71,020.52

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Solution

The fourth proportional to 124,727.84, 172,120.57 and 71,020.52 is: 98,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,727.84 : 172,120.57 = 71,020.52 : x
  2. Step 2: Convert to fraction form
    124,727.84/172,120.57 = 71,020.52/x
  3. Step 3: Cross multiply
    124,727.84x = 172,120.57 × 71,020.52
  4. Step 4: Simplify right side
    124,727.84x = 12,224,091,345.94
  5. Step 5: Solve for x
    x = 12,224,091,345.94/124,727.84
  6. Step 6: Final answer
    x = 98,006.12

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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.