Home / 154,160.17-212,775.33-93,718

Finding the Fourth Proportional to 154,160.17, 212,775.33 and 93,718

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Solution

The fourth proportional to 154,160.17, 212,775.33 and 93,718 is: 129,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,160.17 : 212,775.33 = 93,718 : x
  2. Step 2: Convert to fraction form
    154,160.17/212,775.33 = 93,718/x
  3. Step 3: Cross multiply
    154,160.17x = 212,775.33 × 93,718
  4. Step 4: Simplify right side
    154,160.17x = 19,940,878,376.94
  5. Step 5: Solve for x
    x = 19,940,878,376.94/154,160.17
  6. Step 6: Final answer
    x = 129,351.69

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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.