Home / 251,886.30-347,598.10-137,166.31

Finding the Fourth Proportional to 251,886.30, 347,598.10 and 137,166.31

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Solution

The fourth proportional to 251,886.30, 347,598.10 and 137,166.31 is: 189,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,886.30 : 347,598.10 = 137,166.31 : x
  2. Step 2: Convert to fraction form
    251,886.30/347,598.10 = 137,166.31/x
  3. Step 3: Cross multiply
    251,886.30x = 347,598.10 × 137,166.31
  4. Step 4: Simplify right side
    251,886.30x = 47,678,748,740.01
  5. Step 5: Solve for x
    x = 47,678,748,740.01/251,886.30
  6. Step 6: Final answer
    x = 189,286.79

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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.