Home / 132,280.86-182,519.19-78,583.98

Finding the Fourth Proportional to 132,280.86, 182,519.19 and 78,583.98

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Solution

The fourth proportional to 132,280.86, 182,519.19 and 78,583.98 is: 108,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,280.86 : 182,519.19 = 78,583.98 : x
  2. Step 2: Convert to fraction form
    132,280.86/182,519.19 = 78,583.98/x
  3. Step 3: Cross multiply
    132,280.86x = 182,519.19 × 78,583.98
  4. Step 4: Simplify right side
    132,280.86x = 14,343,084,376.58
  5. Step 5: Solve for x
    x = 14,343,084,376.58/132,280.86
  6. Step 6: Final answer
    x = 108,429.02

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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.