Home / 163,178.73-225,188.55-98,651.52

Finding the Fourth Proportional to 163,178.73, 225,188.55 and 98,651.52

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Solution

The fourth proportional to 163,178.73, 225,188.55 and 98,651.52 is: 136,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,178.73 : 225,188.55 = 98,651.52 : x
  2. Step 2: Convert to fraction form
    163,178.73/225,188.55 = 98,651.52/x
  3. Step 3: Cross multiply
    163,178.73x = 225,188.55 × 98,651.52
  4. Step 4: Simplify right side
    163,178.73x = 22,215,192,744.10
  5. Step 5: Solve for x
    x = 22,215,192,744.10/163,178.73
  6. Step 6: Final answer
    x = 136,140.25

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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.