Home / 144,362.01-199,225.76-80,699.79

Finding the Fourth Proportional to 144,362.01, 199,225.76 and 80,699.79

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Solution

The fourth proportional to 144,362.01, 199,225.76 and 80,699.79 is: 111,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,362.01 : 199,225.76 = 80,699.79 : x
  2. Step 2: Convert to fraction form
    144,362.01/199,225.76 = 80,699.79/x
  3. Step 3: Cross multiply
    144,362.01x = 199,225.76 × 80,699.79
  4. Step 4: Simplify right side
    144,362.01x = 16,077,476,591.09
  5. Step 5: Solve for x
    x = 16,077,476,591.09/144,362.01
  6. Step 6: Final answer
    x = 111,369.17

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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.