Home / 98,879.73-136,416.36-73,100.18

Finding the Fourth Proportional to 98,879.73, 136,416.36 and 73,100.18

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Solution

The fourth proportional to 98,879.73, 136,416.36 and 73,100.18 is: 100,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,879.73 : 136,416.36 = 73,100.18 : x
  2. Step 2: Convert to fraction form
    98,879.73/136,416.36 = 73,100.18/x
  3. Step 3: Cross multiply
    98,879.73x = 136,416.36 × 73,100.18
  4. Step 4: Simplify right side
    98,879.73x = 9,972,059,423.36
  5. Step 5: Solve for x
    x = 9,972,059,423.36/98,879.73
  6. Step 6: Final answer
    x = 100,850.40

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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.