Home / 149,721.40-224,585.70-44,543.80

Finding the Fourth Proportional to 149,721.40, 224,585.70 and 44,543.80

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Solution

The fourth proportional to 149,721.40, 224,585.70 and 44,543.80 is: 66,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,721.40 : 224,585.70 = 44,543.80 : x
  2. Step 2: Convert to fraction form
    149,721.40/224,585.70 = 44,543.80/x
  3. Step 3: Cross multiply
    149,721.40x = 224,585.70 × 44,543.80
  4. Step 4: Simplify right side
    149,721.40x = 10,003,900,503.66
  5. Step 5: Solve for x
    x = 10,003,900,503.66/149,721.40
  6. Step 6: Final answer
    x = 66,816.77

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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.