Home / 132,998.74-183,541.89-79,288.18

Finding the Fourth Proportional to 132,998.74, 183,541.89 and 79,288.18

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Solution

The fourth proportional to 132,998.74, 183,541.89 and 79,288.18 is: 109,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,998.74 : 183,541.89 = 79,288.18 : x
  2. Step 2: Convert to fraction form
    132,998.74/183,541.89 = 79,288.18/x
  3. Step 3: Cross multiply
    132,998.74x = 183,541.89 × 79,288.18
  4. Step 4: Simplify right side
    132,998.74x = 14,552,702,411.86
  5. Step 5: Solve for x
    x = 14,552,702,411.86/132,998.74
  6. Step 6: Final answer
    x = 109,419.85

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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.