Home / 180,289.80-248,778.30-99,706.38

Finding the Fourth Proportional to 180,289.80, 248,778.30 and 99,706.38

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Solution

The fourth proportional to 180,289.80, 248,778.30 and 99,706.38 is: 137,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,289.80 : 248,778.30 = 99,706.38 : x
  2. Step 2: Convert to fraction form
    180,289.80/248,778.30 = 99,706.38/x
  3. Step 3: Cross multiply
    180,289.80x = 248,778.30 × 99,706.38
  4. Step 4: Simplify right side
    180,289.80x = 24,804,783,715.55
  5. Step 5: Solve for x
    x = 24,804,783,715.55/180,289.80
  6. Step 6: Final answer
    x = 137,582.85

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1.5x scale

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.