Home / 144,318.30-199,161.51-80,660.22

Finding the Fourth Proportional to 144,318.30, 199,161.51 and 80,660.22

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Solution

The fourth proportional to 144,318.30, 199,161.51 and 80,660.22 is: 111,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,318.30 : 199,161.51 = 80,660.22 : x
  2. Step 2: Convert to fraction form
    144,318.30/199,161.51 = 80,660.22/x
  3. Step 3: Cross multiply
    144,318.30x = 199,161.51 × 80,660.22
  4. Step 4: Simplify right side
    144,318.30x = 16,064,411,212.13
  5. Step 5: Solve for x
    x = 16,064,411,212.13/144,318.30
  6. Step 6: Final answer
    x = 111,312.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.