Home / 126,855.75-175,066.50-70,267.13

Finding the Fourth Proportional to 126,855.75, 175,066.50 and 70,267.13

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Solution

The fourth proportional to 126,855.75, 175,066.50 and 70,267.13 is: 96,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,855.75 : 175,066.50 = 70,267.13 : x
  2. Step 2: Convert to fraction form
    126,855.75/175,066.50 = 70,267.13/x
  3. Step 3: Cross multiply
    126,855.75x = 175,066.50 × 70,267.13
  4. Step 4: Simplify right side
    126,855.75x = 12,301,420,514.15
  5. Step 5: Solve for x
    x = 12,301,420,514.15/126,855.75
  6. Step 6: Final answer
    x = 96,971.72

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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.