Home / 165,720.12-248,609.40-60,685.80

Finding the Fourth Proportional to 165,720.12, 248,609.40 and 60,685.80

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Solution

The fourth proportional to 165,720.12, 248,609.40 and 60,685.80 is: 91,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.12 : 248,609.40 = 60,685.80 : x
  2. Step 2: Convert to fraction form
    165,720.12/248,609.40 = 60,685.80/x
  3. Step 3: Cross multiply
    165,720.12x = 248,609.40 × 60,685.80
  4. Step 4: Simplify right side
    165,720.12x = 15,087,060,326.52
  5. Step 5: Solve for x
    x = 15,087,060,326.52/165,720.12
  6. Step 6: Final answer
    x = 91,039.40

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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.