Home / 108,511.02-163,505.85-89,221.68

Finding the Fourth Proportional to 108,511.02, 163,505.85 and 89,221.68

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Solution

The fourth proportional to 108,511.02, 163,505.85 and 89,221.68 is: 134,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.02 : 163,505.85 = 89,221.68 : x
  2. Step 2: Convert to fraction form
    108,511.02/163,505.85 = 89,221.68/x
  3. Step 3: Cross multiply
    108,511.02x = 163,505.85 × 89,221.68
  4. Step 4: Simplify right side
    108,511.02x = 14,588,266,626.83
  5. Step 5: Solve for x
    x = 14,588,266,626.83/108,511.02
  6. Step 6: Final answer
    x = 134,440.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.