Home / 153,823.13-230,733.71-82,779.23

Finding the Fourth Proportional to 153,823.13, 230,733.71 and 82,779.23

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Solution

The fourth proportional to 153,823.13, 230,733.71 and 82,779.23 is: 124,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,823.13 : 230,733.71 = 82,779.23 : x
  2. Step 2: Convert to fraction form
    153,823.13/230,733.71 = 82,779.23/x
  3. Step 3: Cross multiply
    153,823.13x = 230,733.71 × 82,779.23
  4. Step 4: Simplify right side
    153,823.13x = 19,099,957,281.28
  5. Step 5: Solve for x
    x = 19,099,957,281.28/153,823.13
  6. Step 6: Final answer
    x = 124,168.31

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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.