Home / 154,169.18-212,787.76-93,727

Finding the Fourth Proportional to 154,169.18, 212,787.76 and 93,727

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Solution

The fourth proportional to 154,169.18, 212,787.76 and 93,727 is: 129,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,169.18 : 212,787.76 = 93,727 : x
  2. Step 2: Convert to fraction form
    154,169.18/212,787.76 = 93,727/x
  3. Step 3: Cross multiply
    154,169.18x = 212,787.76 × 93,727
  4. Step 4: Simplify right side
    154,169.18x = 19,943,958,381.52
  5. Step 5: Solve for x
    x = 19,943,958,381.52/154,169.18
  6. Step 6: Final answer
    x = 129,364.11

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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.