Home / 113,451.40-156,560.34-71,033.32

Finding the Fourth Proportional to 113,451.40, 156,560.34 and 71,033.32

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Solution

The fourth proportional to 113,451.40, 156,560.34 and 71,033.32 is: 98,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,451.40 : 156,560.34 = 71,033.32 : x
  2. Step 2: Convert to fraction form
    113,451.40/156,560.34 = 71,033.32/x
  3. Step 3: Cross multiply
    113,451.40x = 156,560.34 × 71,033.32
  4. Step 4: Simplify right side
    113,451.40x = 11,121,000,730.53
  5. Step 5: Solve for x
    x = 11,121,000,730.53/113,451.40
  6. Step 6: Final answer
    x = 98,024.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.