Home / 137,700.41-206,384.51-71,104.23

Finding the Fourth Proportional to 137,700.41, 206,384.51 and 71,104.23

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Solution

The fourth proportional to 137,700.41, 206,384.51 and 71,104.23 is: 106,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,700.41 : 206,384.51 = 71,104.23 : x
  2. Step 2: Convert to fraction form
    137,700.41/206,384.51 = 71,104.23/x
  3. Step 3: Cross multiply
    137,700.41x = 206,384.51 × 71,104.23
  4. Step 4: Simplify right side
    137,700.41x = 14,674,811,445.28
  5. Step 5: Solve for x
    x = 14,674,811,445.28/137,700.41
  6. Step 6: Final answer
    x = 106,570.58

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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.