Home / 157,680.40-236,520.60-101,693.20

Finding the Fourth Proportional to 157,680.40, 236,520.60 and 101,693.20

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Solution

The fourth proportional to 157,680.40, 236,520.60 and 101,693.20 is: 152,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,680.40 : 236,520.60 = 101,693.20 : x
  2. Step 2: Convert to fraction form
    157,680.40/236,520.60 = 101,693.20/x
  3. Step 3: Cross multiply
    157,680.40x = 236,520.60 × 101,693.20
  4. Step 4: Simplify right side
    157,680.40x = 24,052,536,679.92
  5. Step 5: Solve for x
    x = 24,052,536,679.92/157,680.40
  6. Step 6: Final answer
    x = 152,539.80

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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.