Home / 142,462.80-213,713.40-48,997.20

Finding the Fourth Proportional to 142,462.80, 213,713.40 and 48,997.20

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Solution

The fourth proportional to 142,462.80, 213,713.40 and 48,997.20 is: 73,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,462.80 : 213,713.40 = 48,997.20 : x
  2. Step 2: Convert to fraction form
    142,462.80/213,713.40 = 48,997.20/x
  3. Step 3: Cross multiply
    142,462.80x = 213,713.40 × 48,997.20
  4. Step 4: Simplify right side
    142,462.80x = 10,471,358,202.48
  5. Step 5: Solve for x
    x = 10,471,358,202.48/142,462.80
  6. Step 6: Final answer
    x = 73,502.40

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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.