Home / 98,898.12-136,460.16-80,002.44

Finding the Fourth Proportional to 98,898.12, 136,460.16 and 80,002.44

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Solution

The fourth proportional to 98,898.12, 136,460.16 and 80,002.44 is: 110,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,898.12 : 136,460.16 = 80,002.44 : x
  2. Step 2: Convert to fraction form
    98,898.12/136,460.16 = 80,002.44/x
  3. Step 3: Cross multiply
    98,898.12x = 136,460.16 × 80,002.44
  4. Step 4: Simplify right side
    98,898.12x = 10,917,145,762.79
  5. Step 5: Solve for x
    x = 10,917,145,762.79/98,898.12
  6. Step 6: Final answer
    x = 110,387.80

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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.