Home / 252,071.11-347,853.74-137,350.72

Finding the Fourth Proportional to 252,071.11, 347,853.74 and 137,350.72

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Solution

The fourth proportional to 252,071.11, 347,853.74 and 137,350.72 is: 189,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,071.11 : 347,853.74 = 137,350.72 : x
  2. Step 2: Convert to fraction form
    252,071.11/347,853.74 = 137,350.72/x
  3. Step 3: Cross multiply
    252,071.11x = 347,853.74 × 137,350.72
  4. Step 4: Simplify right side
    252,071.11x = 47,777,961,430.60
  5. Step 5: Solve for x
    x = 47,777,961,430.60/252,071.11
  6. Step 6: Final answer
    x = 189,541.60

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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.