Home / 108,871.38-163,243.50-42,233.64

Finding the Fourth Proportional to 108,871.38, 163,243.50 and 42,233.64

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Solution

The fourth proportional to 108,871.38, 163,243.50 and 42,233.64 is: 63,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.38 : 163,243.50 = 42,233.64 : x
  2. Step 2: Convert to fraction form
    108,871.38/163,243.50 = 42,233.64/x
  3. Step 3: Cross multiply
    108,871.38x = 163,243.50 × 42,233.64
  4. Step 4: Simplify right side
    108,871.38x = 6,894,367,211.34
  5. Step 5: Solve for x
    x = 6,894,367,211.34/108,871.38
  6. Step 6: Final answer
    x = 63,325.80

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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.