Home / 147,918.68-204,142.06-87,508.74

Finding the Fourth Proportional to 147,918.68, 204,142.06 and 87,508.74

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Solution

The fourth proportional to 147,918.68, 204,142.06 and 87,508.74 is: 120,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,918.68 : 204,142.06 = 87,508.74 : x
  2. Step 2: Convert to fraction form
    147,918.68/204,142.06 = 87,508.74/x
  3. Step 3: Cross multiply
    147,918.68x = 204,142.06 × 87,508.74
  4. Step 4: Simplify right side
    147,918.68x = 17,864,214,451.60
  5. Step 5: Solve for x
    x = 17,864,214,451.60/147,918.68
  6. Step 6: Final answer
    x = 120,770.51

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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.