Home / 108,853.20-150,224.13-72,492.30

Finding the Fourth Proportional to 108,853.20, 150,224.13 and 72,492.30

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Solution

The fourth proportional to 108,853.20, 150,224.13 and 72,492.30 is: 100,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,853.20 : 150,224.13 = 72,492.30 : x
  2. Step 2: Convert to fraction form
    108,853.20/150,224.13 = 72,492.30/x
  3. Step 3: Cross multiply
    108,853.20x = 150,224.13 × 72,492.30
  4. Step 4: Simplify right side
    108,853.20x = 10,890,092,699.20
  5. Step 5: Solve for x
    x = 10,890,092,699.20/108,853.20
  6. Step 6: Final answer
    x = 100,043.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.