Home / 98,999.10-148,498.65-88,112.70

Finding the Fourth Proportional to 98,999.10, 148,498.65 and 88,112.70

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Solution

The fourth proportional to 98,999.10, 148,498.65 and 88,112.70 is: 132,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999.10 : 148,498.65 = 88,112.70 : x
  2. Step 2: Convert to fraction form
    98,999.10/148,498.65 = 88,112.70/x
  3. Step 3: Cross multiply
    98,999.10x = 148,498.65 × 88,112.70
  4. Step 4: Simplify right side
    98,999.10x = 13,084,616,997.86
  5. Step 5: Solve for x
    x = 13,084,616,997.86/98,999.10
  6. Step 6: Final answer
    x = 132,169.05

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1.5x scale

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.