Home / 161,729.40-242,885.70-156,480.60

Finding the Fourth Proportional to 161,729.40, 242,885.70 and 156,480.60

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Solution

The fourth proportional to 161,729.40, 242,885.70 and 156,480.60 is: 235,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,729.40 : 242,885.70 = 156,480.60 : x
  2. Step 2: Convert to fraction form
    161,729.40/242,885.70 = 156,480.60/x
  3. Step 3: Cross multiply
    161,729.40x = 242,885.70 × 156,480.60
  4. Step 4: Simplify right side
    161,729.40x = 38,006,900,067.42
  5. Step 5: Solve for x
    x = 38,006,900,067.42/161,729.40
  6. Step 6: Final answer
    x = 235,003.04

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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.