Home / 144,131.81-216,330.62-73,104.30

Finding the Fourth Proportional to 144,131.81, 216,330.62 and 73,104.30

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Solution

The fourth proportional to 144,131.81, 216,330.62 and 73,104.30 is: 109,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,131.81 : 216,330.62 = 73,104.30 : x
  2. Step 2: Convert to fraction form
    144,131.81/216,330.62 = 73,104.30/x
  3. Step 3: Cross multiply
    144,131.81x = 216,330.62 × 73,104.30
  4. Step 4: Simplify right side
    144,131.81x = 15,814,698,178.14
  5. Step 5: Solve for x
    x = 15,814,698,178.14/144,131.81
  6. Step 6: Final answer
    x = 109,723.86

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1.5x scale

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.