Home / 137,450.08-206,207.39-42,675.45

Finding the Fourth Proportional to 137,450.08, 206,207.39 and 42,675.45

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Solution

The fourth proportional to 137,450.08, 206,207.39 and 42,675.45 is: 64,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,450.08 : 206,207.39 = 42,675.45 : x
  2. Step 2: Convert to fraction form
    137,450.08/206,207.39 = 42,675.45/x
  3. Step 3: Cross multiply
    137,450.08x = 206,207.39 × 42,675.45
  4. Step 4: Simplify right side
    137,450.08x = 8,799,993,161.58
  5. Step 5: Solve for x
    x = 8,799,993,161.58/137,450.08
  6. Step 6: Final answer
    x = 64,023.19

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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.