Home / 137,436.87-206,011.43-57,520.63

Finding the Fourth Proportional to 137,436.87, 206,011.43 and 57,520.63

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Solution

The fourth proportional to 137,436.87, 206,011.43 and 57,520.63 is: 86,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,436.87 : 206,011.43 = 57,520.63 : x
  2. Step 2: Convert to fraction form
    137,436.87/206,011.43 = 57,520.63/x
  3. Step 3: Cross multiply
    137,436.87x = 206,011.43 × 57,520.63
  4. Step 4: Simplify right side
    137,436.87x = 11,849,907,240.80
  5. Step 5: Solve for x
    x = 11,849,907,240.80/137,436.87
  6. Step 6: Final answer
    x = 86,220.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.