Home / 98,227.46-135,518.31-64,255.29

Finding the Fourth Proportional to 98,227.46, 135,518.31 and 64,255.29

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Solution

The fourth proportional to 98,227.46, 135,518.31 and 64,255.29 is: 88,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227.46 : 135,518.31 = 64,255.29 : x
  2. Step 2: Convert to fraction form
    98,227.46/135,518.31 = 64,255.29/x
  3. Step 3: Cross multiply
    98,227.46x = 135,518.31 × 64,255.29
  4. Step 4: Simplify right side
    98,227.46x = 8,707,768,309.36
  5. Step 5: Solve for x
    x = 8,707,768,309.36/98,227.46
  6. Step 6: Final answer
    x = 88,649.03

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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.