Home / 252,033.75-347,805.54-137,312.07

Finding the Fourth Proportional to 252,033.75, 347,805.54 and 137,312.07

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Solution

The fourth proportional to 252,033.75, 347,805.54 and 137,312.07 is: 189,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,033.75 : 347,805.54 = 137,312.07 : x
  2. Step 2: Convert to fraction form
    252,033.75/347,805.54 = 137,312.07/x
  3. Step 3: Cross multiply
    252,033.75x = 347,805.54 × 137,312.07
  4. Step 4: Simplify right side
    252,033.75x = 47,757,898,654.87
  5. Step 5: Solve for x
    x = 47,757,898,654.87/252,033.75
  6. Step 6: Final answer
    x = 189,490.09

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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.