Home / 165,039.07-247,518.78-76,207.18

Finding the Fourth Proportional to 165,039.07, 247,518.78 and 76,207.18

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Solution

The fourth proportional to 165,039.07, 247,518.78 and 76,207.18 is: 114,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.07 : 247,518.78 = 76,207.18 : x
  2. Step 2: Convert to fraction form
    165,039.07/247,518.78 = 76,207.18/x
  3. Step 3: Cross multiply
    165,039.07x = 247,518.78 × 76,207.18
  4. Step 4: Simplify right side
    165,039.07x = 18,862,708,220.84
  5. Step 5: Solve for x
    x = 18,862,708,220.84/165,039.07
  6. Step 6: Final answer
    x = 114,292.38

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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.