Home / 183,870.72-253,769.04-112,291.92

Finding the Fourth Proportional to 183,870.72, 253,769.04 and 112,291.92

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Solution

The fourth proportional to 183,870.72, 253,769.04 and 112,291.92 is: 154,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,870.72 : 253,769.04 = 112,291.92 : x
  2. Step 2: Convert to fraction form
    183,870.72/253,769.04 = 112,291.92/x
  3. Step 3: Cross multiply
    183,870.72x = 253,769.04 × 112,291.92
  4. Step 4: Simplify right side
    183,870.72x = 28,496,212,738.16
  5. Step 5: Solve for x
    x = 28,496,212,738.16/183,870.72
  6. Step 6: Final answer
    x = 154,979.61

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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.