Home / 147,415.17-203,433.12-80,347.17

Finding the Fourth Proportional to 147,415.17, 203,433.12 and 80,347.17

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Solution

The fourth proportional to 147,415.17, 203,433.12 and 80,347.17 is: 110,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,415.17 : 203,433.12 = 80,347.17 : x
  2. Step 2: Convert to fraction form
    147,415.17/203,433.12 = 80,347.17/x
  3. Step 3: Cross multiply
    147,415.17x = 203,433.12 × 80,347.17
  4. Step 4: Simplify right side
    147,415.17x = 16,345,275,476.27
  5. Step 5: Solve for x
    x = 16,345,275,476.27/147,415.17
  6. Step 6: Final answer
    x = 110,879.20

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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.