Home / 90,024.40-124,236.21-49,191.22

Finding the Fourth Proportional to 90,024.40, 124,236.21 and 49,191.22

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Solution

The fourth proportional to 90,024.40, 124,236.21 and 49,191.22 is: 67,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.40 : 124,236.21 = 49,191.22 : x
  2. Step 2: Convert to fraction form
    90,024.40/124,236.21 = 49,191.22/x
  3. Step 3: Cross multiply
    90,024.40x = 124,236.21 × 49,191.22
  4. Step 4: Simplify right side
    90,024.40x = 6,111,330,738.08
  5. Step 5: Solve for x
    x = 6,111,330,738.08/90,024.40
  6. Step 6: Final answer
    x = 67,885.27

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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.