Home / 113,436.65-169,857.70-79,975.55

Finding the Fourth Proportional to 113,436.65, 169,857.70 and 79,975.55

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Solution

The fourth proportional to 113,436.65, 169,857.70 and 79,975.55 is: 119,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,436.65 : 169,857.70 = 79,975.55 : x
  2. Step 2: Convert to fraction form
    113,436.65/169,857.70 = 79,975.55/x
  3. Step 3: Cross multiply
    113,436.65x = 169,857.70 × 79,975.55
  4. Step 4: Simplify right side
    113,436.65x = 13,584,461,930.01
  5. Step 5: Solve for x
    x = 13,584,461,930.01/113,436.65
  6. Step 6: Final answer
    x = 119,753.74

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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.