Home / 165,814.47-248,720.64-47,486.24

Finding the Fourth Proportional to 165,814.47, 248,720.64 and 47,486.24

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Solution

The fourth proportional to 165,814.47, 248,720.64 and 47,486.24 is: 71,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,814.47 : 248,720.64 = 47,486.24 : x
  2. Step 2: Convert to fraction form
    165,814.47/248,720.64 = 47,486.24/x
  3. Step 3: Cross multiply
    165,814.47x = 248,720.64 × 47,486.24
  4. Step 4: Simplify right side
    165,814.47x = 11,810,806,760.39
  5. Step 5: Solve for x
    x = 11,810,806,760.39/165,814.47
  6. Step 6: Final answer
    x = 71,229.05

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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.