Home / 100,905.90-151,358.85-63,581.10

Finding the Fourth Proportional to 100,905.90, 151,358.85 and 63,581.10

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Solution

The fourth proportional to 100,905.90, 151,358.85 and 63,581.10 is: 95,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,905.90 : 151,358.85 = 63,581.10 : x
  2. Step 2: Convert to fraction form
    100,905.90/151,358.85 = 63,581.10/x
  3. Step 3: Cross multiply
    100,905.90x = 151,358.85 × 63,581.10
  4. Step 4: Simplify right side
    100,905.90x = 9,623,562,177.74
  5. Step 5: Solve for x
    x = 9,623,562,177.74/100,905.90
  6. Step 6: Final answer
    x = 95,371.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.