Home / 142,510.32-213,600.24-53,706.96

Finding the Fourth Proportional to 142,510.32, 213,600.24 and 53,706.96

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Solution

The fourth proportional to 142,510.32, 213,600.24 and 53,706.96 is: 80,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,510.32 : 213,600.24 = 53,706.96 : x
  2. Step 2: Convert to fraction form
    142,510.32/213,600.24 = 53,706.96/x
  3. Step 3: Cross multiply
    142,510.32x = 213,600.24 × 53,706.96
  4. Step 4: Simplify right side
    142,510.32x = 11,471,819,545.67
  5. Step 5: Solve for x
    x = 11,471,819,545.67/142,510.32
  6. Step 6: Final answer
    x = 80,498.17

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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.