Home / 141,572.80-212,359.20-136,129.60

Finding the Fourth Proportional to 141,572.80, 212,359.20 and 136,129.60

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Solution

The fourth proportional to 141,572.80, 212,359.20 and 136,129.60 is: 204,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,572.80 : 212,359.20 = 136,129.60 : x
  2. Step 2: Convert to fraction form
    141,572.80/212,359.20 = 136,129.60/x
  3. Step 3: Cross multiply
    141,572.80x = 212,359.20 × 136,129.60
  4. Step 4: Simplify right side
    141,572.80x = 28,908,372,952.32
  5. Step 5: Solve for x
    x = 28,908,372,952.32/141,572.80
  6. Step 6: Final answer
    x = 204,194.40

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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.