Home / 305,108.20-457,748.70-94,767.40

Finding the Fourth Proportional to 305,108.20, 457,748.70 and 94,767.40

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Solution

The fourth proportional to 305,108.20, 457,748.70 and 94,767.40 is: 142,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,108.20 : 457,748.70 = 94,767.40 : x
  2. Step 2: Convert to fraction form
    305,108.20/457,748.70 = 94,767.40/x
  3. Step 3: Cross multiply
    305,108.20x = 457,748.70 × 94,767.40
  4. Step 4: Simplify right side
    305,108.20x = 43,379,654,152.38
  5. Step 5: Solve for x
    x = 43,379,654,152.38/305,108.20
  6. Step 6: Final answer
    x = 142,177.94

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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.