Home / 90,805.55-136,247.49-34,662.51

Finding the Fourth Proportional to 90,805.55, 136,247.49 and 34,662.51

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Solution

The fourth proportional to 90,805.55, 136,247.49 and 34,662.51 is: 52,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,805.55 : 136,247.49 = 34,662.51 : x
  2. Step 2: Convert to fraction form
    90,805.55/136,247.49 = 34,662.51/x
  3. Step 3: Cross multiply
    90,805.55x = 136,247.49 × 34,662.51
  4. Step 4: Simplify right side
    90,805.55x = 4,722,679,984.60
  5. Step 5: Solve for x
    x = 4,722,679,984.60/90,805.55
  6. Step 6: Final answer
    x = 52,008.72

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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.