Home / 132,686.40-183,287.04-123,239.04

Finding the Fourth Proportional to 132,686.40, 183,287.04 and 123,239.04

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Solution

The fourth proportional to 132,686.40, 183,287.04 and 123,239.04 is: 170,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.40 : 183,287.04 = 123,239.04 : x
  2. Step 2: Convert to fraction form
    132,686.40/183,287.04 = 123,239.04/x
  3. Step 3: Cross multiply
    132,686.40x = 183,287.04 × 123,239.04
  4. Step 4: Simplify right side
    132,686.40x = 22,588,118,854.04
  5. Step 5: Solve for x
    x = 22,588,118,854.04/132,686.40
  6. Step 6: Final answer
    x = 170,236.88

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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.