Home / 90,072.48-124,217.37-54,200.22

Finding the Fourth Proportional to 90,072.48, 124,217.37 and 54,200.22

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Solution

The fourth proportional to 90,072.48, 124,217.37 and 54,200.22 is: 74,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,072.48 : 124,217.37 = 54,200.22 : x
  2. Step 2: Convert to fraction form
    90,072.48/124,217.37 = 54,200.22/x
  3. Step 3: Cross multiply
    90,072.48x = 124,217.37 × 54,200.22
  4. Step 4: Simplify right side
    90,072.48x = 6,732,608,781.82
  5. Step 5: Solve for x
    x = 6,732,608,781.82/90,072.48
  6. Step 6: Final answer
    x = 74,746.57

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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.