Home / 108,800.55-163,200.83-90,101.70

Finding the Fourth Proportional to 108,800.55, 163,200.83 and 90,101.70

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Solution

The fourth proportional to 108,800.55, 163,200.83 and 90,101.70 is: 135,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,800.55 : 163,200.83 = 90,101.70 : x
  2. Step 2: Convert to fraction form
    108,800.55/163,200.83 = 90,101.70/x
  3. Step 3: Cross multiply
    108,800.55x = 163,200.83 × 90,101.70
  4. Step 4: Simplify right side
    108,800.55x = 14,704,671,773.90
  5. Step 5: Solve for x
    x = 14,704,671,773.90/108,800.55
  6. Step 6: Final answer
    x = 135,152.55

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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.