Home / 146,000.20-218,849.10-79,299.40

Finding the Fourth Proportional to 146,000.20, 218,849.10 and 79,299.40

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Solution

The fourth proportional to 146,000.20, 218,849.10 and 79,299.40 is: 118,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,000.20 : 218,849.10 = 79,299.40 : x
  2. Step 2: Convert to fraction form
    146,000.20/218,849.10 = 79,299.40/x
  3. Step 3: Cross multiply
    146,000.20x = 218,849.10 × 79,299.40
  4. Step 4: Simplify right side
    146,000.20x = 17,354,602,320.54
  5. Step 5: Solve for x
    x = 17,354,602,320.54/146,000.20
  6. Step 6: Final answer
    x = 118,866.98

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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.