Home / 108,000.20-162,000.30-48,837.80

Finding the Fourth Proportional to 108,000.20, 162,000.30 and 48,837.80

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Solution

The fourth proportional to 108,000.20, 162,000.30 and 48,837.80 is: 73,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,000.20 : 162,000.30 = 48,837.80 : x
  2. Step 2: Convert to fraction form
    108,000.20/162,000.30 = 48,837.80/x
  3. Step 3: Cross multiply
    108,000.20x = 162,000.30 × 48,837.80
  4. Step 4: Simplify right side
    108,000.20x = 7,911,738,251.34
  5. Step 5: Solve for x
    x = 7,911,738,251.34/108,000.20
  6. Step 6: Final answer
    x = 73,256.70

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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.