Home / 251,886.11-347,576.37-142,955.79

Finding the Fourth Proportional to 251,886.11, 347,576.37 and 142,955.79

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Solution

The fourth proportional to 251,886.11, 347,576.37 and 142,955.79 is: 197,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,886.11 : 347,576.37 = 142,955.79 : x
  2. Step 2: Convert to fraction form
    251,886.11/347,576.37 = 142,955.79/x
  3. Step 3: Cross multiply
    251,886.11x = 347,576.37 × 142,955.79
  4. Step 4: Simplify right side
    251,886.11x = 49,688,052,719.19
  5. Step 5: Solve for x
    x = 49,688,052,719.19/251,886.11
  6. Step 6: Final answer
    x = 197,263.97

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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.