Home / 90,749.43-136,130.63-24,189.21

Finding the Fourth Proportional to 90,749.43, 136,130.63 and 24,189.21

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Solution

The fourth proportional to 90,749.43, 136,130.63 and 24,189.21 is: 36,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749.43 : 136,130.63 = 24,189.21 : x
  2. Step 2: Convert to fraction form
    90,749.43/136,130.63 = 24,189.21/x
  3. Step 3: Cross multiply
    90,749.43x = 136,130.63 × 24,189.21
  4. Step 4: Simplify right side
    90,749.43x = 3,292,892,275.56
  5. Step 5: Solve for x
    x = 3,292,892,275.56/90,749.43
  6. Step 6: Final answer
    x = 36,285.54

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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.