Home / 110,971.44-153,146.72-63,215.64

Finding the Fourth Proportional to 110,971.44, 153,146.72 and 63,215.64

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Solution

The fourth proportional to 110,971.44, 153,146.72 and 63,215.64 is: 87,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,971.44 : 153,146.72 = 63,215.64 : x
  2. Step 2: Convert to fraction form
    110,971.44/153,146.72 = 63,215.64/x
  3. Step 3: Cross multiply
    110,971.44x = 153,146.72 × 63,215.64
  4. Step 4: Simplify right side
    110,971.44x = 9,681,267,918.70
  5. Step 5: Solve for x
    x = 9,681,267,918.70/110,971.44
  6. Step 6: Final answer
    x = 87,241.08

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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.