Home / 141,811.60-212,717.40-137,000.20

Finding the Fourth Proportional to 141,811.60, 212,717.40 and 137,000.20

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Solution

The fourth proportional to 141,811.60, 212,717.40 and 137,000.20 is: 205,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.60 : 212,717.40 = 137,000.20 : x
  2. Step 2: Convert to fraction form
    141,811.60/212,717.40 = 137,000.20/x
  3. Step 3: Cross multiply
    141,811.60x = 212,717.40 × 137,000.20
  4. Step 4: Simplify right side
    141,811.60x = 29,142,326,343.48
  5. Step 5: Solve for x
    x = 29,142,326,343.48/141,811.60
  6. Step 6: Final answer
    x = 205,500.30

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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.