Home / 102,770.10-154,061.72-39,549.91

Finding the Fourth Proportional to 102,770.10, 154,061.72 and 39,549.91

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Solution

The fourth proportional to 102,770.10, 154,061.72 and 39,549.91 is: 59,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,770.10 : 154,061.72 = 39,549.91 : x
  2. Step 2: Convert to fraction form
    102,770.10/154,061.72 = 39,549.91/x
  3. Step 3: Cross multiply
    102,770.10x = 154,061.72 × 39,549.91
  4. Step 4: Simplify right side
    102,770.10x = 6,093,127,160.45
  5. Step 5: Solve for x
    x = 6,093,127,160.45/102,770.10
  6. Step 6: Final answer
    x = 59,288.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.