Home / 153,824.13-230,735.20-82,780.23

Finding the Fourth Proportional to 153,824.13, 230,735.20 and 82,780.23

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Solution

The fourth proportional to 153,824.13, 230,735.20 and 82,780.23 is: 124,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,824.13 : 230,735.20 = 82,780.23 : x
  2. Step 2: Convert to fraction form
    153,824.13/230,735.20 = 82,780.23/x
  3. Step 3: Cross multiply
    153,824.13x = 230,735.20 × 82,780.23
  4. Step 4: Simplify right side
    153,824.13x = 19,100,312,925.10
  5. Step 5: Solve for x
    x = 19,100,312,925.10/153,824.13
  6. Step 6: Final answer
    x = 124,169.81

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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.