Home / 132,295.10-182,562-78,578.70

Finding the Fourth Proportional to 132,295.10, 182,562 and 78,578.70

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Solution

The fourth proportional to 132,295.10, 182,562 and 78,578.70 is: 108,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,295.10 : 182,562 = 78,578.70 : x
  2. Step 2: Convert to fraction form
    132,295.10/182,562 = 78,578.70/x
  3. Step 3: Cross multiply
    132,295.10x = 182,562 × 78,578.70
  4. Step 4: Simplify right side
    132,295.10x = 14,345,484,629.40
  5. Step 5: Solve for x
    x = 14,345,484,629.40/132,295.10
  6. Step 6: Final answer
    x = 108,435.49

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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.