Home / 157,520.90-236,281.35-155,447.30

Finding the Fourth Proportional to 157,520.90, 236,281.35 and 155,447.30

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Solution

The fourth proportional to 157,520.90, 236,281.35 and 155,447.30 is: 233,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520.90 : 236,281.35 = 155,447.30 : x
  2. Step 2: Convert to fraction form
    157,520.90/236,281.35 = 155,447.30/x
  3. Step 3: Cross multiply
    157,520.90x = 236,281.35 × 155,447.30
  4. Step 4: Simplify right side
    157,520.90x = 36,729,297,897.86
  5. Step 5: Solve for x
    x = 36,729,297,897.86/157,520.90
  6. Step 6: Final answer
    x = 233,170.95

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1.5x scale

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.