Home / 90,388.24-124,730.98-52,145.55

Finding the Fourth Proportional to 90,388.24, 124,730.98 and 52,145.55

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Solution

The fourth proportional to 90,388.24, 124,730.98 and 52,145.55 is: 71,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,388.24 : 124,730.98 = 52,145.55 : x
  2. Step 2: Convert to fraction form
    90,388.24/124,730.98 = 52,145.55/x
  3. Step 3: Cross multiply
    90,388.24x = 124,730.98 × 52,145.55
  4. Step 4: Simplify right side
    90,388.24x = 6,504,165,554.14
  5. Step 5: Solve for x
    x = 6,504,165,554.14/90,388.24
  6. Step 6: Final answer
    x = 71,958.09

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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.