Home / 166,350.15-229,563.20-90,898.65

Finding the Fourth Proportional to 166,350.15, 229,563.20 and 90,898.65

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Solution

The fourth proportional to 166,350.15, 229,563.20 and 90,898.65 is: 125,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,350.15 : 229,563.20 = 90,898.65 : x
  2. Step 2: Convert to fraction form
    166,350.15/229,563.20 = 90,898.65/x
  3. Step 3: Cross multiply
    166,350.15x = 229,563.20 × 90,898.65
  4. Step 4: Simplify right side
    166,350.15x = 20,866,984,515.19
  5. Step 5: Solve for x
    x = 20,866,984,515.19/166,350.15
  6. Step 6: Final answer
    x = 125,440.13

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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.