Home / 124,982.01-172,470.89-71,284.32

Finding the Fourth Proportional to 124,982.01, 172,470.89 and 71,284.32

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Solution

The fourth proportional to 124,982.01, 172,470.89 and 71,284.32 is: 98,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982.01 : 172,470.89 = 71,284.32 : x
  2. Step 2: Convert to fraction form
    124,982.01/172,470.89 = 71,284.32/x
  3. Step 3: Cross multiply
    124,982.01x = 172,470.89 × 71,284.32
  4. Step 4: Simplify right side
    124,982.01x = 12,294,470,291.66
  5. Step 5: Solve for x
    x = 12,294,470,291.66/124,982.01
  6. Step 6: Final answer
    x = 98,369.92

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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.