Home / 207,723.81-286,658.96-112,230.48

Finding the Fourth Proportional to 207,723.81, 286,658.96 and 112,230.48

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Solution

The fourth proportional to 207,723.81, 286,658.96 and 112,230.48 is: 154,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,723.81 : 286,658.96 = 112,230.48 : x
  2. Step 2: Convert to fraction form
    207,723.81/286,658.96 = 112,230.48/x
  3. Step 3: Cross multiply
    207,723.81x = 286,658.96 × 112,230.48
  4. Step 4: Simplify right side
    207,723.81x = 32,171,872,115.95
  5. Step 5: Solve for x
    x = 32,171,872,115.95/207,723.81
  6. Step 6: Final answer
    x = 154,878.11

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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.