Home / 169,240.10-253,794.53-90,311.27

Finding the Fourth Proportional to 169,240.10, 253,794.53 and 90,311.27

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Solution

The fourth proportional to 169,240.10, 253,794.53 and 90,311.27 is: 135,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,240.10 : 253,794.53 = 90,311.27 : x
  2. Step 2: Convert to fraction form
    169,240.10/253,794.53 = 90,311.27/x
  3. Step 3: Cross multiply
    169,240.10x = 253,794.53 × 90,311.27
  4. Step 4: Simplify right side
    169,240.10x = 22,920,505,280.16
  5. Step 5: Solve for x
    x = 22,920,505,280.16/169,240.10
  6. Step 6: Final answer
    x = 135,431.89

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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.