Home / 207,041.23-285,714.14-115,159.89

Finding the Fourth Proportional to 207,041.23, 285,714.14 and 115,159.89

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Solution

The fourth proportional to 207,041.23, 285,714.14 and 115,159.89 is: 158,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,041.23 : 285,714.14 = 115,159.89 : x
  2. Step 2: Convert to fraction form
    207,041.23/285,714.14 = 115,159.89/x
  3. Step 3: Cross multiply
    207,041.23x = 285,714.14 × 115,159.89
  4. Step 4: Simplify right side
    207,041.23x = 32,902,808,933.84
  5. Step 5: Solve for x
    x = 32,902,808,933.84/207,041.23
  6. Step 6: Final answer
    x = 158,919.11

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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.