Home / 137,011.28-205,560.12-48,261.20

Finding the Fourth Proportional to 137,011.28, 205,560.12 and 48,261.20

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Solution

The fourth proportional to 137,011.28, 205,560.12 and 48,261.20 is: 72,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,011.28 : 205,560.12 = 48,261.20 : x
  2. Step 2: Convert to fraction form
    137,011.28/205,560.12 = 48,261.20/x
  3. Step 3: Cross multiply
    137,011.28x = 205,560.12 × 48,261.20
  4. Step 4: Simplify right side
    137,011.28x = 9,920,578,063.34
  5. Step 5: Solve for x
    x = 9,920,578,063.34/137,011.28
  6. Step 6: Final answer
    x = 72,407.02

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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.