Home / 143,637.13-215,646.45-122,711.59

Finding the Fourth Proportional to 143,637.13, 215,646.45 and 122,711.59

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Solution

The fourth proportional to 143,637.13, 215,646.45 and 122,711.59 is: 184,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,637.13 : 215,646.45 = 122,711.59 : x
  2. Step 2: Convert to fraction form
    143,637.13/215,646.45 = 122,711.59/x
  3. Step 3: Cross multiply
    143,637.13x = 215,646.45 × 122,711.59
  4. Step 4: Simplify right side
    143,637.13x = 26,462,317,065.57
  5. Step 5: Solve for x
    x = 26,462,317,065.57/143,637.13
  6. Step 6: Final answer
    x = 184,230.34

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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.