Home / 108,778.98-150,112.64-60,378.08

Finding the Fourth Proportional to 108,778.98, 150,112.64 and 60,378.08

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Solution

The fourth proportional to 108,778.98, 150,112.64 and 60,378.08 is: 83,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,778.98 : 150,112.64 = 60,378.08 : x
  2. Step 2: Convert to fraction form
    108,778.98/150,112.64 = 60,378.08/x
  3. Step 3: Cross multiply
    108,778.98x = 150,112.64 × 60,378.08
  4. Step 4: Simplify right side
    108,778.98x = 9,063,512,387.31
  5. Step 5: Solve for x
    x = 9,063,512,387.31/108,778.98
  6. Step 6: Final answer
    x = 83,320.44

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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.