Home / 132,297.10-182,564.76-78,580.70

Finding the Fourth Proportional to 132,297.10, 182,564.76 and 78,580.70

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Solution

The fourth proportional to 132,297.10, 182,564.76 and 78,580.70 is: 108,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,297.10 : 182,564.76 = 78,580.70 : x
  2. Step 2: Convert to fraction form
    132,297.10/182,564.76 = 78,580.70/x
  3. Step 3: Cross multiply
    132,297.10x = 182,564.76 × 78,580.70
  4. Step 4: Simplify right side
    132,297.10x = 14,346,066,636.13
  5. Step 5: Solve for x
    x = 14,346,066,636.13/132,297.10
  6. Step 6: Final answer
    x = 108,438.25

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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.