Home / 175,723.56-242,502.66-100,279.08

Finding the Fourth Proportional to 175,723.56, 242,502.66 and 100,279.08

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Solution

The fourth proportional to 175,723.56, 242,502.66 and 100,279.08 is: 138,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,723.56 : 242,502.66 = 100,279.08 : x
  2. Step 2: Convert to fraction form
    175,723.56/242,502.66 = 100,279.08/x
  3. Step 3: Cross multiply
    175,723.56x = 242,502.66 × 100,279.08
  4. Step 4: Simplify right side
    175,723.56x = 24,317,943,642.35
  5. Step 5: Solve for x
    x = 24,317,943,642.35/175,723.56
  6. Step 6: Final answer
    x = 138,387.50

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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.