Home / 180,340.20-248,870.43-99,770.55

Finding the Fourth Proportional to 180,340.20, 248,870.43 and 99,770.55

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Solution

The fourth proportional to 180,340.20, 248,870.43 and 99,770.55 is: 137,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,340.20 : 248,870.43 = 99,770.55 : x
  2. Step 2: Convert to fraction form
    180,340.20/248,870.43 = 99,770.55/x
  3. Step 3: Cross multiply
    180,340.20x = 248,870.43 × 99,770.55
  4. Step 4: Simplify right side
    180,340.20x = 24,829,939,679.84
  5. Step 5: Solve for x
    x = 24,829,939,679.84/180,340.20
  6. Step 6: Final answer
    x = 137,683.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.