Home / 144,303.66-199,139.56-80,642.52

Finding the Fourth Proportional to 144,303.66, 199,139.56 and 80,642.52

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Solution

The fourth proportional to 144,303.66, 199,139.56 and 80,642.52 is: 111,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,303.66 : 199,139.56 = 80,642.52 : x
  2. Step 2: Convert to fraction form
    144,303.66/199,139.56 = 80,642.52/x
  3. Step 3: Cross multiply
    144,303.66x = 199,139.56 × 80,642.52
  4. Step 4: Simplify right side
    144,303.66x = 16,059,115,950.09
  5. Step 5: Solve for x
    x = 16,059,115,950.09/144,303.66
  6. Step 6: Final answer
    x = 111,286.96

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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.