Home / 142,276.10-213,350.96-75,702.20

Finding the Fourth Proportional to 142,276.10, 213,350.96 and 75,702.20

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Solution

The fourth proportional to 142,276.10, 213,350.96 and 75,702.20 is: 113,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,276.10 : 213,350.96 = 75,702.20 : x
  2. Step 2: Convert to fraction form
    142,276.10/213,350.96 = 75,702.20/x
  3. Step 3: Cross multiply
    142,276.10x = 213,350.96 × 75,702.20
  4. Step 4: Simplify right side
    142,276.10x = 16,151,136,166.61
  5. Step 5: Solve for x
    x = 16,151,136,166.61/142,276.10
  6. Step 6: Final answer
    x = 113,519.68

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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.