Home / 144,294.30-198,997.20-90,584.31

Finding the Fourth Proportional to 144,294.30, 198,997.20 and 90,584.31

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Solution

The fourth proportional to 144,294.30, 198,997.20 and 90,584.31 is: 124,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,294.30 : 198,997.20 = 90,584.31 : x
  2. Step 2: Convert to fraction form
    144,294.30/198,997.20 = 90,584.31/x
  3. Step 3: Cross multiply
    144,294.30x = 198,997.20 × 90,584.31
  4. Step 4: Simplify right side
    144,294.30x = 18,026,024,053.93
  5. Step 5: Solve for x
    x = 18,026,024,053.93/144,294.30
  6. Step 6: Final answer
    x = 124,925.41

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1.5x scale

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.