Home / 251,758.98-347,436.19-137,047.07

Finding the Fourth Proportional to 251,758.98, 347,436.19 and 137,047.07

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Solution

The fourth proportional to 251,758.98, 347,436.19 and 137,047.07 is: 189,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,758.98 : 347,436.19 = 137,047.07 : x
  2. Step 2: Convert to fraction form
    251,758.98/347,436.19 = 137,047.07/x
  3. Step 3: Cross multiply
    251,758.98x = 347,436.19 × 137,047.07
  4. Step 4: Simplify right side
    251,758.98x = 47,615,111,851.46
  5. Step 5: Solve for x
    x = 47,615,111,851.46/251,758.98
  6. Step 6: Final answer
    x = 189,129.75

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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.