Home / 107,427.52-160,836.77-89,269.95

Finding the Fourth Proportional to 107,427.52, 160,836.77 and 89,269.95

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Solution

The fourth proportional to 107,427.52, 160,836.77 and 89,269.95 is: 133,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,427.52 : 160,836.77 = 89,269.95 : x
  2. Step 2: Convert to fraction form
    107,427.52/160,836.77 = 89,269.95/x
  3. Step 3: Cross multiply
    107,427.52x = 160,836.77 × 89,269.95
  4. Step 4: Simplify right side
    107,427.52x = 14,357,889,165.53
  5. Step 5: Solve for x
    x = 14,357,889,165.53/107,427.52
  6. Step 6: Final answer
    x = 133,651.87

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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.