Home / 97,116.90-145,696.14-55,016.88

Finding the Fourth Proportional to 97,116.90, 145,696.14 and 55,016.88

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Solution

The fourth proportional to 97,116.90, 145,696.14 and 55,016.88 is: 82,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,116.90 : 145,696.14 = 55,016.88 : x
  2. Step 2: Convert to fraction form
    97,116.90/145,696.14 = 55,016.88/x
  3. Step 3: Cross multiply
    97,116.90x = 145,696.14 × 55,016.88
  4. Step 4: Simplify right side
    97,116.90x = 8,015,747,050.84
  5. Step 5: Solve for x
    x = 8,015,747,050.84/97,116.90
  6. Step 6: Final answer
    x = 82,537.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.