Home / 165,332.80-247,999.20-115,566.40

Finding the Fourth Proportional to 165,332.80, 247,999.20 and 115,566.40

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Solution

The fourth proportional to 165,332.80, 247,999.20 and 115,566.40 is: 173,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,332.80 : 247,999.20 = 115,566.40 : x
  2. Step 2: Convert to fraction form
    165,332.80/247,999.20 = 115,566.40/x
  3. Step 3: Cross multiply
    165,332.80x = 247,999.20 × 115,566.40
  4. Step 4: Simplify right side
    165,332.80x = 28,660,374,746.88
  5. Step 5: Solve for x
    x = 28,660,374,746.88/165,332.80
  6. Step 6: Final answer
    x = 173,349.60

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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.