Home / 108,743.40-163,123.20-38,613.60

Finding the Fourth Proportional to 108,743.40, 163,123.20 and 38,613.60

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Solution

The fourth proportional to 108,743.40, 163,123.20 and 38,613.60 is: 57,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,743.40 : 163,123.20 = 38,613.60 : x
  2. Step 2: Convert to fraction form
    108,743.40/163,123.20 = 38,613.60/x
  3. Step 3: Cross multiply
    108,743.40x = 163,123.20 × 38,613.60
  4. Step 4: Simplify right side
    108,743.40x = 6,298,773,995.52
  5. Step 5: Solve for x
    x = 6,298,773,995.52/108,743.40
  6. Step 6: Final answer
    x = 57,923.28

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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.