Home / 90,441.57-135,663.50-34,266.59

Finding the Fourth Proportional to 90,441.57, 135,663.50 and 34,266.59

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Solution

The fourth proportional to 90,441.57, 135,663.50 and 34,266.59 is: 51,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441.57 : 135,663.50 = 34,266.59 : x
  2. Step 2: Convert to fraction form
    90,441.57/135,663.50 = 34,266.59/x
  3. Step 3: Cross multiply
    90,441.57x = 135,663.50 × 34,266.59
  4. Step 4: Simplify right side
    90,441.57x = 4,648,725,220.65
  5. Step 5: Solve for x
    x = 4,648,725,220.65/90,441.57
  6. Step 6: Final answer
    x = 51,400.32

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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.