Home / 212,778.99-293,631.42-115,983.89

Finding the Fourth Proportional to 212,778.99, 293,631.42 and 115,983.89

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Solution

The fourth proportional to 212,778.99, 293,631.42 and 115,983.89 is: 160,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,778.99 : 293,631.42 = 115,983.89 : x
  2. Step 2: Convert to fraction form
    212,778.99/293,631.42 = 115,983.89/x
  3. Step 3: Cross multiply
    212,778.99x = 293,631.42 × 115,983.89
  4. Step 4: Simplify right side
    212,778.99x = 34,056,512,849.67
  5. Step 5: Solve for x
    x = 34,056,512,849.67/212,778.99
  6. Step 6: Final answer
    x = 160,055.81

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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.