Home / 144,497.32-199,401.64-80,833.76

Finding the Fourth Proportional to 144,497.32, 199,401.64 and 80,833.76

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Solution

The fourth proportional to 144,497.32, 199,401.64 and 80,833.76 is: 111,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,497.32 : 199,401.64 = 80,833.76 : x
  2. Step 2: Convert to fraction form
    144,497.32/199,401.64 = 80,833.76/x
  3. Step 3: Cross multiply
    144,497.32x = 199,401.64 × 80,833.76
  4. Step 4: Simplify right side
    144,497.32x = 16,118,384,311.37
  5. Step 5: Solve for x
    x = 16,118,384,311.37/144,497.32
  6. Step 6: Final answer
    x = 111,547.98

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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.