Home / 115,412.88-172,987.02-52,952.16

Finding the Fourth Proportional to 115,412.88, 172,987.02 and 52,952.16

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Solution

The fourth proportional to 115,412.88, 172,987.02 and 52,952.16 is: 79,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.88 : 172,987.02 = 52,952.16 : x
  2. Step 2: Convert to fraction form
    115,412.88/172,987.02 = 52,952.16/x
  3. Step 3: Cross multiply
    115,412.88x = 172,987.02 × 52,952.16
  4. Step 4: Simplify right side
    115,412.88x = 9,160,036,360.96
  5. Step 5: Solve for x
    x = 9,160,036,360.96/115,412.88
  6. Step 6: Final answer
    x = 79,367.54

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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.