Home / 108,339.28-162,479.75-38,209.48

Finding the Fourth Proportional to 108,339.28, 162,479.75 and 38,209.48

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Solution

The fourth proportional to 108,339.28, 162,479.75 and 38,209.48 is: 57,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.28 : 162,479.75 = 38,209.48 : x
  2. Step 2: Convert to fraction form
    108,339.28/162,479.75 = 38,209.48/x
  3. Step 3: Cross multiply
    108,339.28x = 162,479.75 × 38,209.48
  4. Step 4: Simplify right side
    108,339.28x = 6,208,266,160.78
  5. Step 5: Solve for x
    x = 6,208,266,160.78/108,339.28
  6. Step 6: Final answer
    x = 57,303.93

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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.