Home / 229,733.87-316,986.28-134,222.11

Finding the Fourth Proportional to 229,733.87, 316,986.28 and 134,222.11

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Solution

The fourth proportional to 229,733.87, 316,986.28 and 134,222.11 is: 185,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,733.87 : 316,986.28 = 134,222.11 : x
  2. Step 2: Convert to fraction form
    229,733.87/316,986.28 = 134,222.11/x
  3. Step 3: Cross multiply
    229,733.87x = 316,986.28 × 134,222.11
  4. Step 4: Simplify right side
    229,733.87x = 42,546,567,342.65
  5. Step 5: Solve for x
    x = 42,546,567,342.65/229,733.87
  6. Step 6: Final answer
    x = 185,199.37

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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.