Home / 134,903.45-202,519.20-68,309.30

Finding the Fourth Proportional to 134,903.45, 202,519.20 and 68,309.30

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Solution

The fourth proportional to 134,903.45, 202,519.20 and 68,309.30 is: 102,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.45 : 202,519.20 = 68,309.30 : x
  2. Step 2: Convert to fraction form
    134,903.45/202,519.20 = 68,309.30/x
  3. Step 3: Cross multiply
    134,903.45x = 202,519.20 × 68,309.30
  4. Step 4: Simplify right side
    134,903.45x = 13,833,944,788.56
  5. Step 5: Solve for x
    x = 13,833,944,788.56/134,903.45
  6. Step 6: Final answer
    x = 102,547.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.