Home / 556,867.24-835,300.86-136,138.12

Finding the Fourth Proportional to 556,867.24, 835,300.86 and 136,138.12

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Solution

The fourth proportional to 556,867.24, 835,300.86 and 136,138.12 is: 204,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,867.24 : 835,300.86 = 136,138.12 : x
  2. Step 2: Convert to fraction form
    556,867.24/835,300.86 = 136,138.12/x
  3. Step 3: Cross multiply
    556,867.24x = 835,300.86 × 136,138.12
  4. Step 4: Simplify right side
    556,867.24x = 113,716,288,714.78
  5. Step 5: Solve for x
    x = 113,716,288,714.78/556,867.24
  6. Step 6: Final answer
    x = 204,207.18

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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.