Home / 98,827.88-136,331.62-66,985.96

Finding the Fourth Proportional to 98,827.88, 136,331.62 and 66,985.96

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Solution

The fourth proportional to 98,827.88, 136,331.62 and 66,985.96 is: 92,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.88 : 136,331.62 = 66,985.96 : x
  2. Step 2: Convert to fraction form
    98,827.88/136,331.62 = 66,985.96/x
  3. Step 3: Cross multiply
    98,827.88x = 136,331.62 × 66,985.96
  4. Step 4: Simplify right side
    98,827.88x = 9,132,304,444.06
  5. Step 5: Solve for x
    x = 9,132,304,444.06/98,827.88
  6. Step 6: Final answer
    x = 92,406.16

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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.