Home / 108,394.48-162,643.56-38,306.80

Finding the Fourth Proportional to 108,394.48, 162,643.56 and 38,306.80

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Solution

The fourth proportional to 108,394.48, 162,643.56 and 38,306.80 is: 57,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,394.48 : 162,643.56 = 38,306.80 : x
  2. Step 2: Convert to fraction form
    108,394.48/162,643.56 = 38,306.80/x
  3. Step 3: Cross multiply
    108,394.48x = 162,643.56 × 38,306.80
  4. Step 4: Simplify right side
    108,394.48x = 6,230,354,324.21
  5. Step 5: Solve for x
    x = 6,230,354,324.21/108,394.48
  6. Step 6: Final answer
    x = 57,478.52

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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.