Home / 98,242.98-135,626.91-66,146.36

Finding the Fourth Proportional to 98,242.98, 135,626.91 and 66,146.36

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Solution

The fourth proportional to 98,242.98, 135,626.91 and 66,146.36 is: 91,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,242.98 : 135,626.91 = 66,146.36 : x
  2. Step 2: Convert to fraction form
    98,242.98/135,626.91 = 66,146.36/x
  3. Step 3: Cross multiply
    98,242.98x = 135,626.91 × 66,146.36
  4. Step 4: Simplify right side
    98,242.98x = 8,971,225,488.36
  5. Step 5: Solve for x
    x = 8,971,225,488.36/98,242.98
  6. Step 6: Final answer
    x = 91,316.71

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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.