Home / 108,390.30-162,585.45-38,276.70

Finding the Fourth Proportional to 108,390.30, 162,585.45 and 38,276.70

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Solution

The fourth proportional to 108,390.30, 162,585.45 and 38,276.70 is: 57,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,390.30 : 162,585.45 = 38,276.70 : x
  2. Step 2: Convert to fraction form
    108,390.30/162,585.45 = 38,276.70/x
  3. Step 3: Cross multiply
    108,390.30x = 162,585.45 × 38,276.70
  4. Step 4: Simplify right side
    108,390.30x = 6,223,234,494.02
  5. Step 5: Solve for x
    x = 6,223,234,494.02/108,390.30
  6. Step 6: Final answer
    x = 57,415.05

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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.