Home / 132,974.16-183,479.28-79,264.17

Finding the Fourth Proportional to 132,974.16, 183,479.28 and 79,264.17

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Solution

The fourth proportional to 132,974.16, 183,479.28 and 79,264.17 is: 109,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,974.16 : 183,479.28 = 79,264.17 : x
  2. Step 2: Convert to fraction form
    132,974.16/183,479.28 = 79,264.17/x
  3. Step 3: Cross multiply
    132,974.16x = 183,479.28 × 79,264.17
  4. Step 4: Simplify right side
    132,974.16x = 14,543,332,544.16
  5. Step 5: Solve for x
    x = 14,543,332,544.16/132,974.16
  6. Step 6: Final answer
    x = 109,369.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.