Home / 239,740.29-330,740.82-168,167.07

Finding the Fourth Proportional to 239,740.29, 330,740.82 and 168,167.07

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Solution

The fourth proportional to 239,740.29, 330,740.82 and 168,167.07 is: 231,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,740.29 : 330,740.82 = 168,167.07 : x
  2. Step 2: Convert to fraction form
    239,740.29/330,740.82 = 168,167.07/x
  3. Step 3: Cross multiply
    239,740.29x = 330,740.82 × 168,167.07
  4. Step 4: Simplify right side
    239,740.29x = 55,619,714,628.80
  5. Step 5: Solve for x
    x = 55,619,714,628.80/239,740.29
  6. Step 6: Final answer
    x = 231,999.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.