Home / 121,209.74-181,824.98-36,988.85

Finding the Fourth Proportional to 121,209.74, 181,824.98 and 36,988.85

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Solution

The fourth proportional to 121,209.74, 181,824.98 and 36,988.85 is: 55,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,209.74 : 181,824.98 = 36,988.85 : x
  2. Step 2: Convert to fraction form
    121,209.74/181,824.98 = 36,988.85/x
  3. Step 3: Cross multiply
    121,209.74x = 181,824.98 × 36,988.85
  4. Step 4: Simplify right side
    121,209.74x = 6,725,495,817.40
  5. Step 5: Solve for x
    x = 6,725,495,817.40/121,209.74
  6. Step 6: Final answer
    x = 55,486.43

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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.