Home / 142,329.96-213,346.20-67,360.82

Finding the Fourth Proportional to 142,329.96, 213,346.20 and 67,360.82

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Solution

The fourth proportional to 142,329.96, 213,346.20 and 67,360.82 is: 100,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,329.96 : 213,346.20 = 67,360.82 : x
  2. Step 2: Convert to fraction form
    142,329.96/213,346.20 = 67,360.82/x
  3. Step 3: Cross multiply
    142,329.96x = 213,346.20 × 67,360.82
  4. Step 4: Simplify right side
    142,329.96x = 14,371,174,161.76
  5. Step 5: Solve for x
    x = 14,371,174,161.76/142,329.96
  6. Step 6: Final answer
    x = 100,970.83

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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.