Home / 147,952.10-222,067.35-77,881.70

Finding the Fourth Proportional to 147,952.10, 222,067.35 and 77,881.70

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Solution

The fourth proportional to 147,952.10, 222,067.35 and 77,881.70 is: 116,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,952.10 : 222,067.35 = 77,881.70 : x
  2. Step 2: Convert to fraction form
    147,952.10/222,067.35 = 77,881.70/x
  3. Step 3: Cross multiply
    147,952.10x = 222,067.35 × 77,881.70
  4. Step 4: Simplify right side
    147,952.10x = 17,294,982,732.50
  5. Step 5: Solve for x
    x = 17,294,982,732.50/147,952.10
  6. Step 6: Final answer
    x = 116,895.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.