Home / 154,158.03-212,772.41-93,715.88

Finding the Fourth Proportional to 154,158.03, 212,772.41 and 93,715.88

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Solution

The fourth proportional to 154,158.03, 212,772.41 and 93,715.88 is: 129,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,158.03 : 212,772.41 = 93,715.88 : x
  2. Step 2: Convert to fraction form
    154,158.03/212,772.41 = 93,715.88/x
  3. Step 3: Cross multiply
    154,158.03x = 212,772.41 × 93,715.88
  4. Step 4: Simplify right side
    154,158.03x = 19,940,152,110.43
  5. Step 5: Solve for x
    x = 19,940,152,110.43/154,158.03
  6. Step 6: Final answer
    x = 129,348.77

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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.