Home / 137,566.04-206,349.10-90,807.96

Finding the Fourth Proportional to 137,566.04, 206,349.10 and 90,807.96

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Solution

The fourth proportional to 137,566.04, 206,349.10 and 90,807.96 is: 136,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,566.04 : 206,349.10 = 90,807.96 : x
  2. Step 2: Convert to fraction form
    137,566.04/206,349.10 = 90,807.96/x
  3. Step 3: Cross multiply
    137,566.04x = 206,349.10 × 90,807.96
  4. Step 4: Simplify right side
    137,566.04x = 18,738,140,818.84
  5. Step 5: Solve for x
    x = 18,738,140,818.84/137,566.04
  6. Step 6: Final answer
    x = 136,211.97

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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.