Home / 147,814.11-203,983.16-80,746.11

Finding the Fourth Proportional to 147,814.11, 203,983.16 and 80,746.11

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Solution

The fourth proportional to 147,814.11, 203,983.16 and 80,746.11 is: 111,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,814.11 : 203,983.16 = 80,746.11 : x
  2. Step 2: Convert to fraction form
    147,814.11/203,983.16 = 80,746.11/x
  3. Step 3: Cross multiply
    147,814.11x = 203,983.16 × 80,746.11
  4. Step 4: Simplify right side
    147,814.11x = 16,470,846,271.78
  5. Step 5: Solve for x
    x = 16,470,846,271.78/147,814.11
  6. Step 6: Final answer
    x = 111,429.46

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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.