Home / 165,215.10-247,822.65-156,685.80

Finding the Fourth Proportional to 165,215.10, 247,822.65 and 156,685.80

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Solution

The fourth proportional to 165,215.10, 247,822.65 and 156,685.80 is: 235,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,215.10 : 247,822.65 = 156,685.80 : x
  2. Step 2: Convert to fraction form
    165,215.10/247,822.65 = 156,685.80/x
  3. Step 3: Cross multiply
    165,215.10x = 247,822.65 × 156,685.80
  4. Step 4: Simplify right side
    165,215.10x = 38,830,290,173.37
  5. Step 5: Solve for x
    x = 38,830,290,173.37/165,215.10
  6. Step 6: Final answer
    x = 235,028.70

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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.