Home / 132,909.80-183,400.02-79,187.24

Finding the Fourth Proportional to 132,909.80, 183,400.02 and 79,187.24

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Solution

The fourth proportional to 132,909.80, 183,400.02 and 79,187.24 is: 109,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,909.80 : 183,400.02 = 79,187.24 : x
  2. Step 2: Convert to fraction form
    132,909.80/183,400.02 = 79,187.24/x
  3. Step 3: Cross multiply
    132,909.80x = 183,400.02 × 79,187.24
  4. Step 4: Simplify right side
    132,909.80x = 14,522,941,399.74
  5. Step 5: Solve for x
    x = 14,522,941,399.74/132,909.80
  6. Step 6: Final answer
    x = 109,269.15

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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.