Home / 137,764.32-206,619.20-37,898.72

Finding the Fourth Proportional to 137,764.32, 206,619.20 and 37,898.72

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Solution

The fourth proportional to 137,764.32, 206,619.20 and 37,898.72 is: 56,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,764.32 : 206,619.20 = 37,898.72 : x
  2. Step 2: Convert to fraction form
    137,764.32/206,619.20 = 37,898.72/x
  3. Step 3: Cross multiply
    137,764.32x = 206,619.20 × 37,898.72
  4. Step 4: Simplify right side
    137,764.32x = 7,830,603,207.42
  5. Step 5: Solve for x
    x = 7,830,603,207.42/137,764.32
  6. Step 6: Final answer
    x = 56,840.58

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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.