Home / 137,731.04-206,569.36-37,865.48

Finding the Fourth Proportional to 137,731.04, 206,569.36 and 37,865.48

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Solution

The fourth proportional to 137,731.04, 206,569.36 and 37,865.48 is: 56,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,731.04 : 206,569.36 = 37,865.48 : x
  2. Step 2: Convert to fraction form
    137,731.04/206,569.36 = 37,865.48/x
  3. Step 3: Cross multiply
    137,731.04x = 206,569.36 × 37,865.48
  4. Step 4: Simplify right side
    137,731.04x = 7,821,847,969.69
  5. Step 5: Solve for x
    x = 7,821,847,969.69/137,731.04
  6. Step 6: Final answer
    x = 56,790.74

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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.