Home / 143,726.04-215,779.80-122,800.54

Finding the Fourth Proportional to 143,726.04, 215,779.80 and 122,800.54

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Solution

The fourth proportional to 143,726.04, 215,779.80 and 122,800.54 is: 184,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,726.04 : 215,779.80 = 122,800.54 : x
  2. Step 2: Convert to fraction form
    143,726.04/215,779.80 = 122,800.54/x
  3. Step 3: Cross multiply
    143,726.04x = 215,779.80 × 122,800.54
  4. Step 4: Simplify right side
    143,726.04x = 26,497,875,961.09
  5. Step 5: Solve for x
    x = 26,497,875,961.09/143,726.04
  6. Step 6: Final answer
    x = 184,363.78

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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.