Home / 122,956.14-168,573.51-120,714.47

Finding the Fourth Proportional to 122,956.14, 168,573.51 and 120,714.47

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Solution

The fourth proportional to 122,956.14, 168,573.51 and 120,714.47 is: 165,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,956.14 : 168,573.51 = 120,714.47 : x
  2. Step 2: Convert to fraction form
    122,956.14/168,573.51 = 120,714.47/x
  3. Step 3: Cross multiply
    122,956.14x = 168,573.51 × 120,714.47
  4. Step 4: Simplify right side
    122,956.14x = 20,349,261,072.82
  5. Step 5: Solve for x
    x = 20,349,261,072.82/122,956.14
  6. Step 6: Final answer
    x = 165,500.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.