Home / 149,702.40-224,225.55-133,081.20

Finding the Fourth Proportional to 149,702.40, 224,225.55 and 133,081.20

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Solution

The fourth proportional to 149,702.40, 224,225.55 and 133,081.20 is: 199,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,702.40 : 224,225.55 = 133,081.20 : x
  2. Step 2: Convert to fraction form
    149,702.40/224,225.55 = 133,081.20/x
  3. Step 3: Cross multiply
    149,702.40x = 224,225.55 × 133,081.20
  4. Step 4: Simplify right side
    149,702.40x = 29,840,205,264.66
  5. Step 5: Solve for x
    x = 29,840,205,264.66/149,702.40
  6. Step 6: Final answer
    x = 199,330.17

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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.