Home / 165,386.75-247,883.28-115,195.10

Finding the Fourth Proportional to 165,386.75, 247,883.28 and 115,195.10

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Solution

The fourth proportional to 165,386.75, 247,883.28 and 115,195.10 is: 172,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,386.75 : 247,883.28 = 115,195.10 : x
  2. Step 2: Convert to fraction form
    165,386.75/247,883.28 = 115,195.10/x
  3. Step 3: Cross multiply
    165,386.75x = 247,883.28 × 115,195.10
  4. Step 4: Simplify right side
    165,386.75x = 28,554,937,988.51
  5. Step 5: Solve for x
    x = 28,554,937,988.51/165,386.75
  6. Step 6: Final answer
    x = 172,655.54

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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.