Home / 82,133.02-123,214.72-25,987.26

Finding the Fourth Proportional to 82,133.02, 123,214.72 and 25,987.26

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Solution

The fourth proportional to 82,133.02, 123,214.72 and 25,987.26 is: 38,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.02 : 123,214.72 = 25,987.26 : x
  2. Step 2: Convert to fraction form
    82,133.02/123,214.72 = 25,987.26/x
  3. Step 3: Cross multiply
    82,133.02x = 123,214.72 × 25,987.26
  4. Step 4: Simplify right side
    82,133.02x = 3,202,013,029.44
  5. Step 5: Solve for x
    x = 3,202,013,029.44/82,133.02
  6. Step 6: Final answer
    x = 38,985.70

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1.5x scale

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.