Home / 212,375.77-293,044.98-121,714.27

Finding the Fourth Proportional to 212,375.77, 293,044.98 and 121,714.27

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Solution

The fourth proportional to 212,375.77, 293,044.98 and 121,714.27 is: 167,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,375.77 : 293,044.98 = 121,714.27 : x
  2. Step 2: Convert to fraction form
    212,375.77/293,044.98 = 121,714.27/x
  3. Step 3: Cross multiply
    212,375.77x = 293,044.98 × 121,714.27
  4. Step 4: Simplify right side
    212,375.77x = 35,667,755,817.86
  5. Step 5: Solve for x
    x = 35,667,755,817.86/212,375.77
  6. Step 6: Final answer
    x = 167,946.45

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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.