Home / 90,319.44-124,655.04-54,514.56

Finding the Fourth Proportional to 90,319.44, 124,655.04 and 54,514.56

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Solution

The fourth proportional to 90,319.44, 124,655.04 and 54,514.56 is: 75,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,319.44 : 124,655.04 = 54,514.56 : x
  2. Step 2: Convert to fraction form
    90,319.44/124,655.04 = 54,514.56/x
  3. Step 3: Cross multiply
    90,319.44x = 124,655.04 × 54,514.56
  4. Step 4: Simplify right side
    90,319.44x = 6,795,514,657.38
  5. Step 5: Solve for x
    x = 6,795,514,657.38/90,319.44
  6. Step 6: Final answer
    x = 75,238.67

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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.