Home / 157,640.70-236,461.05-149,087.10

Finding the Fourth Proportional to 157,640.70, 236,461.05 and 149,087.10

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Solution

The fourth proportional to 157,640.70, 236,461.05 and 149,087.10 is: 223,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,640.70 : 236,461.05 = 149,087.10 : x
  2. Step 2: Convert to fraction form
    157,640.70/236,461.05 = 149,087.10/x
  3. Step 3: Cross multiply
    157,640.70x = 236,461.05 × 149,087.10
  4. Step 4: Simplify right side
    157,640.70x = 35,253,292,207.46
  5. Step 5: Solve for x
    x = 35,253,292,207.46/157,640.70
  6. Step 6: Final answer
    x = 223,630.65

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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.