Home / 132,964.30-183,490.73-72,535.18

Finding the Fourth Proportional to 132,964.30, 183,490.73 and 72,535.18

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Solution

The fourth proportional to 132,964.30, 183,490.73 and 72,535.18 is: 100,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,964.30 : 183,490.73 = 72,535.18 : x
  2. Step 2: Convert to fraction form
    132,964.30/183,490.73 = 72,535.18/x
  3. Step 3: Cross multiply
    132,964.30x = 183,490.73 × 72,535.18
  4. Step 4: Simplify right side
    132,964.30x = 13,309,533,816.97
  5. Step 5: Solve for x
    x = 13,309,533,816.97/132,964.30
  6. Step 6: Final answer
    x = 100,098.55

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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.