Home / 98,135.32-135,425.10-57,850.60

Finding the Fourth Proportional to 98,135.32, 135,425.10 and 57,850.60

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Solution

The fourth proportional to 98,135.32, 135,425.10 and 57,850.60 is: 79,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,135.32 : 135,425.10 = 57,850.60 : x
  2. Step 2: Convert to fraction form
    98,135.32/135,425.10 = 57,850.60/x
  3. Step 3: Cross multiply
    98,135.32x = 135,425.10 × 57,850.60
  4. Step 4: Simplify right side
    98,135.32x = 7,834,423,290.06
  5. Step 5: Solve for x
    x = 7,834,423,290.06/98,135.32
  6. Step 6: Final answer
    x = 79,832.86

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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.