Home / 154,167.18-212,785-93,725

Finding the Fourth Proportional to 154,167.18, 212,785 and 93,725

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Solution

The fourth proportional to 154,167.18, 212,785 and 93,725 is: 129,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,167.18 : 212,785 = 93,725 : x
  2. Step 2: Convert to fraction form
    154,167.18/212,785 = 93,725/x
  3. Step 3: Cross multiply
    154,167.18x = 212,785 × 93,725
  4. Step 4: Simplify right side
    154,167.18x = 19,943,274,125
  5. Step 5: Solve for x
    x = 19,943,274,125/154,167.18
  6. Step 6: Final answer
    x = 129,361.35

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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.