Home / 207,661.12-286,572.36-112,167.81

Finding the Fourth Proportional to 207,661.12, 286,572.36 and 112,167.81

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Solution

The fourth proportional to 207,661.12, 286,572.36 and 112,167.81 is: 154,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,661.12 : 286,572.36 = 112,167.81 : x
  2. Step 2: Convert to fraction form
    207,661.12/286,572.36 = 112,167.81/x
  3. Step 3: Cross multiply
    207,661.12x = 286,572.36 × 112,167.81
  4. Step 4: Simplify right side
    207,661.12x = 32,144,194,912.42
  5. Step 5: Solve for x
    x = 32,144,194,912.42/207,661.12
  6. Step 6: Final answer
    x = 154,791.59

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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.