Home / 243,467.45-335,984.38-136,037.57

Finding the Fourth Proportional to 243,467.45, 335,984.38 and 136,037.57

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Solution

The fourth proportional to 243,467.45, 335,984.38 and 136,037.57 is: 187,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,467.45 : 335,984.38 = 136,037.57 : x
  2. Step 2: Convert to fraction form
    243,467.45/335,984.38 = 136,037.57/x
  3. Step 3: Cross multiply
    243,467.45x = 335,984.38 × 136,037.57
  4. Step 4: Simplify right side
    243,467.45x = 45,706,497,920.70
  5. Step 5: Solve for x
    x = 45,706,497,920.70/243,467.45
  6. Step 6: Final answer
    x = 187,731.45

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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.