Home / 98,157.02-135,422.17-64,185.38

Finding the Fourth Proportional to 98,157.02, 135,422.17 and 64,185.38

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Solution

The fourth proportional to 98,157.02, 135,422.17 and 64,185.38 is: 88,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,157.02 : 135,422.17 = 64,185.38 : x
  2. Step 2: Convert to fraction form
    98,157.02/135,422.17 = 64,185.38/x
  3. Step 3: Cross multiply
    98,157.02x = 135,422.17 × 64,185.38
  4. Step 4: Simplify right side
    98,157.02x = 8,692,123,441.87
  5. Step 5: Solve for x
    x = 8,692,123,441.87/98,157.02
  6. Step 6: Final answer
    x = 88,553.25

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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.