Home / 121,211.74-181,827.98-36,990.85

Finding the Fourth Proportional to 121,211.74, 181,827.98 and 36,990.85

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Solution

The fourth proportional to 121,211.74, 181,827.98 and 36,990.85 is: 55,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,211.74 : 181,827.98 = 36,990.85 : x
  2. Step 2: Convert to fraction form
    121,211.74/181,827.98 = 36,990.85/x
  3. Step 3: Cross multiply
    121,211.74x = 181,827.98 × 36,990.85
  4. Step 4: Simplify right side
    121,211.74x = 6,725,971,533.98
  5. Step 5: Solve for x
    x = 6,725,971,533.98/121,211.74
  6. Step 6: Final answer
    x = 55,489.44

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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.