Home / 143,630.40-215,463.36-48,876.48

Finding the Fourth Proportional to 143,630.40, 215,463.36 and 48,876.48

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Solution

The fourth proportional to 143,630.40, 215,463.36 and 48,876.48 is: 73,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,630.40 : 215,463.36 = 48,876.48 : x
  2. Step 2: Convert to fraction form
    143,630.40/215,463.36 = 48,876.48/x
  3. Step 3: Cross multiply
    143,630.40x = 215,463.36 × 48,876.48
  4. Step 4: Simplify right side
    143,630.40x = 10,531,090,605.77
  5. Step 5: Solve for x
    x = 10,531,090,605.77/143,630.40
  6. Step 6: Final answer
    x = 73,320.76

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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.