Home / 144,849.61-199,888.87-80,319.10

Finding the Fourth Proportional to 144,849.61, 199,888.87 and 80,319.10

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Solution

The fourth proportional to 144,849.61, 199,888.87 and 80,319.10 is: 110,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,849.61 : 199,888.87 = 80,319.10 : x
  2. Step 2: Convert to fraction form
    144,849.61/199,888.87 = 80,319.10/x
  3. Step 3: Cross multiply
    144,849.61x = 199,888.87 × 80,319.10
  4. Step 4: Simplify right side
    144,849.61x = 16,054,894,138.42
  5. Step 5: Solve for x
    x = 16,054,894,138.42/144,849.61
  6. Step 6: Final answer
    x = 110,838.37

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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.