Home / 117,517.10-176,376.45-47,446.70

Finding the Fourth Proportional to 117,517.10, 176,376.45 and 47,446.70

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Solution

The fourth proportional to 117,517.10, 176,376.45 and 47,446.70 is: 71,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.10 : 176,376.45 = 47,446.70 : x
  2. Step 2: Convert to fraction form
    117,517.10/176,376.45 = 47,446.70/x
  3. Step 3: Cross multiply
    117,517.10x = 176,376.45 × 47,446.70
  4. Step 4: Simplify right side
    117,517.10x = 8,368,480,510.22
  5. Step 5: Solve for x
    x = 8,368,480,510.22/117,517.10
  6. Step 6: Final answer
    x = 71,210.75

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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.