Home / 144,003.80-216,053.07-68,134.94

Finding the Fourth Proportional to 144,003.80, 216,053.07 and 68,134.94

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Solution

The fourth proportional to 144,003.80, 216,053.07 and 68,134.94 is: 102,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,003.80 : 216,053.07 = 68,134.94 : x
  2. Step 2: Convert to fraction form
    144,003.80/216,053.07 = 68,134.94/x
  3. Step 3: Cross multiply
    144,003.80x = 216,053.07 × 68,134.94
  4. Step 4: Simplify right side
    144,003.80x = 14,720,761,881.00
  5. Step 5: Solve for x
    x = 14,720,761,881.00/144,003.80
  6. Step 6: Final answer
    x = 102,224.82

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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.