Home / 149,902.91-224,743.15-90,724.51

Finding the Fourth Proportional to 149,902.91, 224,743.15 and 90,724.51

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Solution

The fourth proportional to 149,902.91, 224,743.15 and 90,724.51 is: 136,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,902.91 : 224,743.15 = 90,724.51 : x
  2. Step 2: Convert to fraction form
    149,902.91/224,743.15 = 90,724.51/x
  3. Step 3: Cross multiply
    149,902.91x = 224,743.15 × 90,724.51
  4. Step 4: Simplify right side
    149,902.91x = 20,389,712,159.61
  5. Step 5: Solve for x
    x = 20,389,712,159.61/149,902.91
  6. Step 6: Final answer
    x = 136,019.46

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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.