Home / 142,510.72-213,737.77-41,320.66

Finding the Fourth Proportional to 142,510.72, 213,737.77 and 41,320.66

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Solution

The fourth proportional to 142,510.72, 213,737.77 and 41,320.66 is: 61,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,510.72 : 213,737.77 = 41,320.66 : x
  2. Step 2: Convert to fraction form
    142,510.72/213,737.77 = 41,320.66/x
  3. Step 3: Cross multiply
    142,510.72x = 213,737.77 × 41,320.66
  4. Step 4: Simplify right side
    142,510.72x = 8,831,785,723.33
  5. Step 5: Solve for x
    x = 8,831,785,723.33/142,510.72
  6. Step 6: Final answer
    x = 61,972.78

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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.