Home / 114,638.28-158,205.78-63,651.02

Finding the Fourth Proportional to 114,638.28, 158,205.78 and 63,651.02

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Solution

The fourth proportional to 114,638.28, 158,205.78 and 63,651.02 is: 87,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,638.28 : 158,205.78 = 63,651.02 : x
  2. Step 2: Convert to fraction form
    114,638.28/158,205.78 = 63,651.02/x
  3. Step 3: Cross multiply
    114,638.28x = 158,205.78 × 63,651.02
  4. Step 4: Simplify right side
    114,638.28x = 10,069,959,266.90
  5. Step 5: Solve for x
    x = 10,069,959,266.90/114,638.28
  6. Step 6: Final answer
    x = 87,841.16

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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.