Home / 98,098.39-135,373.22-57,270.34

Finding the Fourth Proportional to 98,098.39, 135,373.22 and 57,270.34

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Solution

The fourth proportional to 98,098.39, 135,373.22 and 57,270.34 is: 79,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,098.39 : 135,373.22 = 57,270.34 : x
  2. Step 2: Convert to fraction form
    98,098.39/135,373.22 = 57,270.34/x
  3. Step 3: Cross multiply
    98,098.39x = 135,373.22 × 57,270.34
  4. Step 4: Simplify right side
    98,098.39x = 7,752,869,659.43
  5. Step 5: Solve for x
    x = 7,752,869,659.43/98,098.39
  6. Step 6: Final answer
    x = 79,031.57

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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.