Home / 216,507.06-298,767.62-119,705.28

Finding the Fourth Proportional to 216,507.06, 298,767.62 and 119,705.28

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Solution

The fourth proportional to 216,507.06, 298,767.62 and 119,705.28 is: 165,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,507.06 : 298,767.62 = 119,705.28 : x
  2. Step 2: Convert to fraction form
    216,507.06/298,767.62 = 119,705.28/x
  3. Step 3: Cross multiply
    216,507.06x = 298,767.62 × 119,705.28
  4. Step 4: Simplify right side
    216,507.06x = 35,764,061,008.51
  5. Step 5: Solve for x
    x = 35,764,061,008.51/216,507.06
  6. Step 6: Final answer
    x = 165,186.58

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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.