Home / 165,646.80-248,470.20-152,816.40

Finding the Fourth Proportional to 165,646.80, 248,470.20 and 152,816.40

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Solution

The fourth proportional to 165,646.80, 248,470.20 and 152,816.40 is: 229,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646.80 : 248,470.20 = 152,816.40 : x
  2. Step 2: Convert to fraction form
    165,646.80/248,470.20 = 152,816.40/x
  3. Step 3: Cross multiply
    165,646.80x = 248,470.20 × 152,816.40
  4. Step 4: Simplify right side
    165,646.80x = 37,970,321,471.28
  5. Step 5: Solve for x
    x = 37,970,321,471.28/165,646.80
  6. Step 6: Final answer
    x = 229,224.60

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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.