Home / 108,001.20-148,986.36-88,647.60

Finding the Fourth Proportional to 108,001.20, 148,986.36 and 88,647.60

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Solution

The fourth proportional to 108,001.20, 148,986.36 and 88,647.60 is: 122,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.20 : 148,986.36 = 88,647.60 : x
  2. Step 2: Convert to fraction form
    108,001.20/148,986.36 = 88,647.60/x
  3. Step 3: Cross multiply
    108,001.20x = 148,986.36 × 88,647.60
  4. Step 4: Simplify right side
    108,001.20x = 13,207,283,246.74
  5. Step 5: Solve for x
    x = 13,207,283,246.74/108,001.20
  6. Step 6: Final answer
    x = 122,288.30

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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.