Home / 212,376.27-293,045.67-121,714.77

Finding the Fourth Proportional to 212,376.27, 293,045.67 and 121,714.77

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Solution

The fourth proportional to 212,376.27, 293,045.67 and 121,714.77 is: 167,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,376.27 : 293,045.67 = 121,714.77 : x
  2. Step 2: Convert to fraction form
    212,376.27/293,045.67 = 121,714.77/x
  3. Step 3: Cross multiply
    212,376.27x = 293,045.67 × 121,714.77
  4. Step 4: Simplify right side
    212,376.27x = 35,667,986,323.55
  5. Step 5: Solve for x
    x = 35,667,986,323.55/212,376.27
  6. Step 6: Final answer
    x = 167,947.14

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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.