Home / 90,157.50-135,267.42-34,013.70

Finding the Fourth Proportional to 90,157.50, 135,267.42 and 34,013.70

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Solution

The fourth proportional to 90,157.50, 135,267.42 and 34,013.70 is: 51,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,157.50 : 135,267.42 = 34,013.70 : x
  2. Step 2: Convert to fraction form
    90,157.50/135,267.42 = 34,013.70/x
  3. Step 3: Cross multiply
    90,157.50x = 135,267.42 × 34,013.70
  4. Step 4: Simplify right side
    90,157.50x = 4,600,945,443.65
  5. Step 5: Solve for x
    x = 4,600,945,443.65/90,157.50
  6. Step 6: Final answer
    x = 51,032.31

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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.