Home / 165,040.16-247,520.56-76,208.32

Finding the Fourth Proportional to 165,040.16, 247,520.56 and 76,208.32

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Solution

The fourth proportional to 165,040.16, 247,520.56 and 76,208.32 is: 114,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,040.16 : 247,520.56 = 76,208.32 : x
  2. Step 2: Convert to fraction form
    165,040.16/247,520.56 = 76,208.32/x
  3. Step 3: Cross multiply
    165,040.16x = 247,520.56 × 76,208.32
  4. Step 4: Simplify right side
    165,040.16x = 18,863,126,043.06
  5. Step 5: Solve for x
    x = 18,863,126,043.06/165,040.16
  6. Step 6: Final answer
    x = 114,294.16

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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.