Home / 108,205.47-161,902.24-89,494.32

Finding the Fourth Proportional to 108,205.47, 161,902.24 and 89,494.32

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Solution

The fourth proportional to 108,205.47, 161,902.24 and 89,494.32 is: 133,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,205.47 : 161,902.24 = 89,494.32 : x
  2. Step 2: Convert to fraction form
    108,205.47/161,902.24 = 89,494.32/x
  3. Step 3: Cross multiply
    108,205.47x = 161,902.24 × 89,494.32
  4. Step 4: Simplify right side
    108,205.47x = 14,489,330,851.38
  5. Step 5: Solve for x
    x = 14,489,330,851.38/108,205.47
  6. Step 6: Final answer
    x = 133,905.72

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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.