Home / 141,728.40-212,542.20-62,701.20

Finding the Fourth Proportional to 141,728.40, 212,542.20 and 62,701.20

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Solution

The fourth proportional to 141,728.40, 212,542.20 and 62,701.20 is: 94,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,728.40 : 212,542.20 = 62,701.20 : x
  2. Step 2: Convert to fraction form
    141,728.40/212,542.20 = 62,701.20/x
  3. Step 3: Cross multiply
    141,728.40x = 212,542.20 × 62,701.20
  4. Step 4: Simplify right side
    141,728.40x = 13,326,650,990.64
  5. Step 5: Solve for x
    x = 13,326,650,990.64/141,728.40
  6. Step 6: Final answer
    x = 94,029.50

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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.