Home / 132,722.62-183,155.65-72,293.06

Finding the Fourth Proportional to 132,722.62, 183,155.65 and 72,293.06

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Solution

The fourth proportional to 132,722.62, 183,155.65 and 72,293.06 is: 99,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,722.62 : 183,155.65 = 72,293.06 : x
  2. Step 2: Convert to fraction form
    132,722.62/183,155.65 = 72,293.06/x
  3. Step 3: Cross multiply
    132,722.62x = 183,155.65 × 72,293.06
  4. Step 4: Simplify right side
    132,722.62x = 13,240,882,671.95
  5. Step 5: Solve for x
    x = 13,240,882,671.95/132,722.62
  6. Step 6: Final answer
    x = 99,763.57

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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.