Home / 113,442.71-169,966.62-79,636.95

Finding the Fourth Proportional to 113,442.71, 169,966.62 and 79,636.95

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Solution

The fourth proportional to 113,442.71, 169,966.62 and 79,636.95 is: 119,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,442.71 : 169,966.62 = 79,636.95 : x
  2. Step 2: Convert to fraction form
    113,442.71/169,966.62 = 79,636.95/x
  3. Step 3: Cross multiply
    113,442.71x = 169,966.62 × 79,636.95
  4. Step 4: Simplify right side
    113,442.71x = 13,535,623,218.61
  5. Step 5: Solve for x
    x = 13,535,623,218.61/113,442.71
  6. Step 6: Final answer
    x = 119,316.82

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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.