Home / 144,440.12-199,377.46-99,267.63

Finding the Fourth Proportional to 144,440.12, 199,377.46 and 99,267.63

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Solution

The fourth proportional to 144,440.12, 199,377.46 and 99,267.63 is: 137,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.12 : 199,377.46 = 99,267.63 : x
  2. Step 2: Convert to fraction form
    144,440.12/199,377.46 = 99,267.63/x
  3. Step 3: Cross multiply
    144,440.12x = 199,377.46 × 99,267.63
  4. Step 4: Simplify right side
    144,440.12x = 19,791,727,929.62
  5. Step 5: Solve for x
    x = 19,791,727,929.62/144,440.12
  6. Step 6: Final answer
    x = 137,023.76

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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.