Home / 212,381.07-293,085.92-115,585.30

Finding the Fourth Proportional to 212,381.07, 293,085.92 and 115,585.30

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Solution

The fourth proportional to 212,381.07, 293,085.92 and 115,585.30 is: 159,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,381.07 : 293,085.92 = 115,585.30 : x
  2. Step 2: Convert to fraction form
    212,381.07/293,085.92 = 115,585.30/x
  3. Step 3: Cross multiply
    212,381.07x = 293,085.92 × 115,585.30
  4. Step 4: Simplify right side
    212,381.07x = 33,876,424,210.85
  5. Step 5: Solve for x
    x = 33,876,424,210.85/212,381.07
  6. Step 6: Final answer
    x = 159,507.74

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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.