Home / 144,294.37-199,125.90-80,632.17

Finding the Fourth Proportional to 144,294.37, 199,125.90 and 80,632.17

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Solution

The fourth proportional to 144,294.37, 199,125.90 and 80,632.17 is: 111,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,294.37 : 199,125.90 = 80,632.17 : x
  2. Step 2: Convert to fraction form
    144,294.37/199,125.90 = 80,632.17/x
  3. Step 3: Cross multiply
    144,294.37x = 199,125.90 × 80,632.17
  4. Step 4: Simplify right side
    144,294.37x = 16,055,953,420.20
  5. Step 5: Solve for x
    x = 16,055,953,420.20/144,294.37
  6. Step 6: Final answer
    x = 111,272.21

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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.