Home / 98,297.64-135,611.34-61,987.14

Finding the Fourth Proportional to 98,297.64, 135,611.34 and 61,987.14

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Solution

The fourth proportional to 98,297.64, 135,611.34 and 61,987.14 is: 85,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297.64 : 135,611.34 = 61,987.14 : x
  2. Step 2: Convert to fraction form
    98,297.64/135,611.34 = 61,987.14/x
  3. Step 3: Cross multiply
    98,297.64x = 135,611.34 × 61,987.14
  4. Step 4: Simplify right side
    98,297.64x = 8,406,159,118.17
  5. Step 5: Solve for x
    x = 8,406,159,118.17/98,297.64
  6. Step 6: Final answer
    x = 85,517.41

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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.