Home / 108,890.45-150,242.53-63,542.55

Finding the Fourth Proportional to 108,890.45, 150,242.53 and 63,542.55

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Solution

The fourth proportional to 108,890.45, 150,242.53 and 63,542.55 is: 87,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,890.45 : 150,242.53 = 63,542.55 : x
  2. Step 2: Convert to fraction form
    108,890.45/150,242.53 = 63,542.55/x
  3. Step 3: Cross multiply
    108,890.45x = 150,242.53 × 63,542.55
  4. Step 4: Simplify right side
    108,890.45x = 9,546,793,474.65
  5. Step 5: Solve for x
    x = 9,546,793,474.65/108,890.45
  6. Step 6: Final answer
    x = 87,673.38

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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.