Home / 207,374.82-286,177.32-121,350.34

Finding the Fourth Proportional to 207,374.82, 286,177.32 and 121,350.34

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Solution

The fourth proportional to 207,374.82, 286,177.32 and 121,350.34 is: 167,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,374.82 : 286,177.32 = 121,350.34 : x
  2. Step 2: Convert to fraction form
    207,374.82/286,177.32 = 121,350.34/x
  3. Step 3: Cross multiply
    207,374.82x = 286,177.32 × 121,350.34
  4. Step 4: Simplify right side
    207,374.82x = 34,727,715,082.29
  5. Step 5: Solve for x
    x = 34,727,715,082.29/207,374.82
  6. Step 6: Final answer
    x = 167,463.51

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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.