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Finding the Fourth Proportional to 154,063.97, 212,595.08 and 88,654.91

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Solution

The fourth proportional to 154,063.97, 212,595.08 and 88,654.91 is: 122,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,063.97 : 212,595.08 = 88,654.91 : x
  2. Step 2: Convert to fraction form
    154,063.97/212,595.08 = 88,654.91/x
  3. Step 3: Cross multiply
    154,063.97x = 212,595.08 × 88,654.91
  4. Step 4: Simplify right side
    154,063.97x = 18,847,596,676.28
  5. Step 5: Solve for x
    x = 18,847,596,676.28/154,063.97
  6. Step 6: Final answer
    x = 122,336.17

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1.5x scale

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.