Home / 154,158.16-212,772.58-93,716

Finding the Fourth Proportional to 154,158.16, 212,772.58 and 93,716

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Solution

The fourth proportional to 154,158.16, 212,772.58 and 93,716 is: 129,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,158.16 : 212,772.58 = 93,716 : x
  2. Step 2: Convert to fraction form
    154,158.16/212,772.58 = 93,716/x
  3. Step 3: Cross multiply
    154,158.16x = 212,772.58 × 93,716
  4. Step 4: Simplify right side
    154,158.16x = 19,940,195,107.28
  5. Step 5: Solve for x
    x = 19,940,195,107.28/154,158.16
  6. Step 6: Final answer
    x = 129,348.94

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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.