Home / 110,966.64-153,126.08-63,211.20

Finding the Fourth Proportional to 110,966.64, 153,126.08 and 63,211.20

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Solution

The fourth proportional to 110,966.64, 153,126.08 and 63,211.20 is: 87,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966.64 : 153,126.08 = 63,211.20 : x
  2. Step 2: Convert to fraction form
    110,966.64/153,126.08 = 63,211.20/x
  3. Step 3: Cross multiply
    110,966.64x = 153,126.08 × 63,211.20
  4. Step 4: Simplify right side
    110,966.64x = 9,679,283,268.10
  5. Step 5: Solve for x
    x = 9,679,283,268.10/110,966.64
  6. Step 6: Final answer
    x = 87,226.97

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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.