Home / 98,679.62-136,146.80-60,399.26

Finding the Fourth Proportional to 98,679.62, 136,146.80 and 60,399.26

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Solution

The fourth proportional to 98,679.62, 136,146.80 and 60,399.26 is: 83,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,679.62 : 136,146.80 = 60,399.26 : x
  2. Step 2: Convert to fraction form
    98,679.62/136,146.80 = 60,399.26/x
  3. Step 3: Cross multiply
    98,679.62x = 136,146.80 × 60,399.26
  4. Step 4: Simplify right side
    98,679.62x = 8,223,165,971.37
  5. Step 5: Solve for x
    x = 8,223,165,971.37/98,679.62
  6. Step 6: Final answer
    x = 83,331.96

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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.