Home / 108,886.50-163,340.04-42,331.74

Finding the Fourth Proportional to 108,886.50, 163,340.04 and 42,331.74

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Solution

The fourth proportional to 108,886.50, 163,340.04 and 42,331.74 is: 63,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,886.50 : 163,340.04 = 42,331.74 : x
  2. Step 2: Convert to fraction form
    108,886.50/163,340.04 = 42,331.74/x
  3. Step 3: Cross multiply
    108,886.50x = 163,340.04 × 42,331.74
  4. Step 4: Simplify right side
    108,886.50x = 6,914,468,104.87
  5. Step 5: Solve for x
    x = 6,914,468,104.87/108,886.50
  6. Step 6: Final answer
    x = 63,501.61

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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.