Home / 132,974.55-183,479.78-79,264.58

Finding the Fourth Proportional to 132,974.55, 183,479.78 and 79,264.58

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Solution

The fourth proportional to 132,974.55, 183,479.78 and 79,264.58 is: 109,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,974.55 : 183,479.78 = 79,264.58 : x
  2. Step 2: Convert to fraction form
    132,974.55/183,479.78 = 79,264.58/x
  3. Step 3: Cross multiply
    132,974.55x = 183,479.78 × 79,264.58
  4. Step 4: Simplify right side
    132,974.55x = 14,543,446,386.47
  5. Step 5: Solve for x
    x = 14,543,446,386.47/132,974.55
  6. Step 6: Final answer
    x = 109,370.15

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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.