Home / 108,549.10-162,823.65-38,419.30

Finding the Fourth Proportional to 108,549.10, 162,823.65 and 38,419.30

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Solution

The fourth proportional to 108,549.10, 162,823.65 and 38,419.30 is: 57,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,549.10 : 162,823.65 = 38,419.30 : x
  2. Step 2: Convert to fraction form
    108,549.10/162,823.65 = 38,419.30/x
  3. Step 3: Cross multiply
    108,549.10x = 162,823.65 × 38,419.30
  4. Step 4: Simplify right side
    108,549.10x = 6,255,570,656.45
  5. Step 5: Solve for x
    x = 6,255,570,656.45/108,549.10
  6. Step 6: Final answer
    x = 57,628.95

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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.