Home / 132,262.48-182,441.64-78,511.12

Finding the Fourth Proportional to 132,262.48, 182,441.64 and 78,511.12

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Solution

The fourth proportional to 132,262.48, 182,441.64 and 78,511.12 is: 108,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,262.48 : 182,441.64 = 78,511.12 : x
  2. Step 2: Convert to fraction form
    132,262.48/182,441.64 = 78,511.12/x
  3. Step 3: Cross multiply
    132,262.48x = 182,441.64 × 78,511.12
  4. Step 4: Simplify right side
    132,262.48x = 14,323,697,491.04
  5. Step 5: Solve for x
    x = 14,323,697,491.04/132,262.48
  6. Step 6: Final answer
    x = 108,297.51

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1.5x scale

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.