Home / 142,088.76-212,843.34-88,605.66

Finding the Fourth Proportional to 142,088.76, 212,843.34 and 88,605.66

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Solution

The fourth proportional to 142,088.76, 212,843.34 and 88,605.66 is: 132,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,088.76 : 212,843.34 = 88,605.66 : x
  2. Step 2: Convert to fraction form
    142,088.76/212,843.34 = 88,605.66/x
  3. Step 3: Cross multiply
    142,088.76x = 212,843.34 × 88,605.66
  4. Step 4: Simplify right side
    142,088.76x = 18,859,124,617.30
  5. Step 5: Solve for x
    x = 18,859,124,617.30/142,088.76
  6. Step 6: Final answer
    x = 132,727.77

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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.