Home / 142,091.83-212,934.57-104,355.82

Finding the Fourth Proportional to 142,091.83, 212,934.57 and 104,355.82

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Solution

The fourth proportional to 142,091.83, 212,934.57 and 104,355.82 is: 156,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,091.83 : 212,934.57 = 104,355.82 : x
  2. Step 2: Convert to fraction form
    142,091.83/212,934.57 = 104,355.82/x
  3. Step 3: Cross multiply
    142,091.83x = 212,934.57 × 104,355.82
  4. Step 4: Simplify right side
    142,091.83x = 22,220,961,658.70
  5. Step 5: Solve for x
    x = 22,220,961,658.70/142,091.83
  6. Step 6: Final answer
    x = 156,384.51

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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.