Home / 252,140.88-347,945.58-137,417.16

Finding the Fourth Proportional to 252,140.88, 347,945.58 and 137,417.16

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Solution

The fourth proportional to 252,140.88, 347,945.58 and 137,417.16 is: 189,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,140.88 : 347,945.58 = 137,417.16 : x
  2. Step 2: Convert to fraction form
    252,140.88/347,945.58 = 137,417.16/x
  3. Step 3: Cross multiply
    252,140.88x = 347,945.58 × 137,417.16
  4. Step 4: Simplify right side
    252,140.88x = 47,813,693,438.15
  5. Step 5: Solve for x
    x = 47,813,693,438.15/252,140.88
  6. Step 6: Final answer
    x = 189,630.87

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1.5x scale

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.