Home / 137,621.45-206,432.49-37,783.01

Finding the Fourth Proportional to 137,621.45, 206,432.49 and 37,783.01

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Solution

The fourth proportional to 137,621.45, 206,432.49 and 37,783.01 is: 56,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,621.45 : 206,432.49 = 37,783.01 : x
  2. Step 2: Convert to fraction form
    137,621.45/206,432.49 = 37,783.01/x
  3. Step 3: Cross multiply
    137,621.45x = 206,432.49 × 37,783.01
  4. Step 4: Simplify right side
    137,621.45x = 7,799,639,801.83
  5. Step 5: Solve for x
    x = 7,799,639,801.83/137,621.45
  6. Step 6: Final answer
    x = 56,674.60

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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.