Home / 157,600.20-236,108.70-147,102.60

Finding the Fourth Proportional to 157,600.20, 236,108.70 and 147,102.60

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Solution

The fourth proportional to 157,600.20, 236,108.70 and 147,102.60 is: 220,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,600.20 : 236,108.70 = 147,102.60 : x
  2. Step 2: Convert to fraction form
    157,600.20/236,108.70 = 147,102.60/x
  3. Step 3: Cross multiply
    157,600.20x = 236,108.70 × 147,102.60
  4. Step 4: Simplify right side
    157,600.20x = 34,732,203,652.62
  5. Step 5: Solve for x
    x = 34,732,203,652.62/157,600.20
  6. Step 6: Final answer
    x = 220,381.72

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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.