Home / 239,934.81-360,123.61-121,689.18

Finding the Fourth Proportional to 239,934.81, 360,123.61 and 121,689.18

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Solution

The fourth proportional to 239,934.81, 360,123.61 and 121,689.18 is: 182,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,934.81 : 360,123.61 = 121,689.18 : x
  2. Step 2: Convert to fraction form
    239,934.81/360,123.61 = 121,689.18/x
  3. Step 3: Cross multiply
    239,934.81x = 360,123.61 × 121,689.18
  4. Step 4: Simplify right side
    239,934.81x = 43,823,147,395.63
  5. Step 5: Solve for x
    x = 43,823,147,395.63/239,934.81
  6. Step 6: Final answer
    x = 182,646.06

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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.