Home / 153,908.42-212,335.17-93,456.14

Finding the Fourth Proportional to 153,908.42, 212,335.17 and 93,456.14

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Solution

The fourth proportional to 153,908.42, 212,335.17 and 93,456.14 is: 128,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,908.42 : 212,335.17 = 93,456.14 : x
  2. Step 2: Convert to fraction form
    153,908.42/212,335.17 = 93,456.14/x
  3. Step 3: Cross multiply
    153,908.42x = 212,335.17 × 93,456.14
  4. Step 4: Simplify right side
    153,908.42x = 19,844,025,374.44
  5. Step 5: Solve for x
    x = 19,844,025,374.44/153,908.42
  6. Step 6: Final answer
    x = 128,933.98

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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.