Home / 98,010.86-135,296.27-66,222.82

Finding the Fourth Proportional to 98,010.86, 135,296.27 and 66,222.82

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Solution

The fourth proportional to 98,010.86, 135,296.27 and 66,222.82 is: 91,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010.86 : 135,296.27 = 66,222.82 : x
  2. Step 2: Convert to fraction form
    98,010.86/135,296.27 = 66,222.82/x
  3. Step 3: Cross multiply
    98,010.86x = 135,296.27 × 66,222.82
  4. Step 4: Simplify right side
    98,010.86x = 8,959,700,232.69
  5. Step 5: Solve for x
    x = 8,959,700,232.69/98,010.86
  6. Step 6: Final answer
    x = 91,415.38

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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.