Home / 172,146.33-258,219.54-53,818.74

Finding the Fourth Proportional to 172,146.33, 258,219.54 and 53,818.74

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Solution

The fourth proportional to 172,146.33, 258,219.54 and 53,818.74 is: 80,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,146.33 : 258,219.54 = 53,818.74 : x
  2. Step 2: Convert to fraction form
    172,146.33/258,219.54 = 53,818.74/x
  3. Step 3: Cross multiply
    172,146.33x = 258,219.54 × 53,818.74
  4. Step 4: Simplify right side
    172,146.33x = 13,897,050,286.18
  5. Step 5: Solve for x
    x = 13,897,050,286.18/172,146.33
  6. Step 6: Final answer
    x = 80,728.12

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1.5x scale

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.