Home / 98,723.86-136,097.22-70,380.34

Finding the Fourth Proportional to 98,723.86, 136,097.22 and 70,380.34

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Solution

The fourth proportional to 98,723.86, 136,097.22 and 70,380.34 is: 97,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.86 : 136,097.22 = 70,380.34 : x
  2. Step 2: Convert to fraction form
    98,723.86/136,097.22 = 70,380.34/x
  3. Step 3: Cross multiply
    98,723.86x = 136,097.22 × 70,380.34
  4. Step 4: Simplify right side
    98,723.86x = 9,578,568,616.65
  5. Step 5: Solve for x
    x = 9,578,568,616.65/98,723.86
  6. Step 6: Final answer
    x = 97,023.85

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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.