Home / 100,524.07-138,713.66-60,230.35

Finding the Fourth Proportional to 100,524.07, 138,713.66 and 60,230.35

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Solution

The fourth proportional to 100,524.07, 138,713.66 and 60,230.35 is: 83,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524.07 : 138,713.66 = 60,230.35 : x
  2. Step 2: Convert to fraction form
    100,524.07/138,713.66 = 60,230.35/x
  3. Step 3: Cross multiply
    100,524.07x = 138,713.66 × 60,230.35
  4. Step 4: Simplify right side
    100,524.07x = 8,354,771,748.59
  5. Step 5: Solve for x
    x = 8,354,771,748.59/100,524.07
  6. Step 6: Final answer
    x = 83,112.16

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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.