Home / 212,741.10-293,578.70-115,945.76

Finding the Fourth Proportional to 212,741.10, 293,578.70 and 115,945.76

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Solution

The fourth proportional to 212,741.10, 293,578.70 and 115,945.76 is: 160,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,741.10 : 293,578.70 = 115,945.76 : x
  2. Step 2: Convert to fraction form
    212,741.10/293,578.70 = 115,945.76/x
  3. Step 3: Cross multiply
    212,741.10x = 293,578.70 × 115,945.76
  4. Step 4: Simplify right side
    212,741.10x = 34,039,205,645.53
  5. Step 5: Solve for x
    x = 34,039,205,645.53/212,741.10
  6. Step 6: Final answer
    x = 160,002.96

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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.