Home / 177,642.08-245,144.22-100,110.50

Finding the Fourth Proportional to 177,642.08, 245,144.22 and 100,110.50

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Solution

The fourth proportional to 177,642.08, 245,144.22 and 100,110.50 is: 138,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,642.08 : 245,144.22 = 100,110.50 : x
  2. Step 2: Convert to fraction form
    177,642.08/245,144.22 = 100,110.50/x
  3. Step 3: Cross multiply
    177,642.08x = 245,144.22 × 100,110.50
  4. Step 4: Simplify right side
    177,642.08x = 24,541,510,436.31
  5. Step 5: Solve for x
    x = 24,541,510,436.31/177,642.08
  6. Step 6: Final answer
    x = 138,151.45

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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.