Home / 438,739.14-658,148.87-123,193.92

Finding the Fourth Proportional to 438,739.14, 658,148.87 and 123,193.92

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Solution

The fourth proportional to 438,739.14, 658,148.87 and 123,193.92 is: 184,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,739.14 : 658,148.87 = 123,193.92 : x
  2. Step 2: Convert to fraction form
    438,739.14/658,148.87 = 123,193.92/x
  3. Step 3: Cross multiply
    438,739.14x = 658,148.87 × 123,193.92
  4. Step 4: Simplify right side
    438,739.14x = 81,079,935,332.16
  5. Step 5: Solve for x
    x = 81,079,935,332.16/438,739.14
  6. Step 6: Final answer
    x = 184,802.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.