Home / 132,417.24-182,751.02-78,701.75

Finding the Fourth Proportional to 132,417.24, 182,751.02 and 78,701.75

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Solution

The fourth proportional to 132,417.24, 182,751.02 and 78,701.75 is: 108,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,417.24 : 182,751.02 = 78,701.75 : x
  2. Step 2: Convert to fraction form
    132,417.24/182,751.02 = 78,701.75/x
  3. Step 3: Cross multiply
    132,417.24x = 182,751.02 × 78,701.75
  4. Step 4: Simplify right side
    132,417.24x = 14,382,825,088.29
  5. Step 5: Solve for x
    x = 14,382,825,088.29/132,417.24
  6. Step 6: Final answer
    x = 108,617.47

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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.