Home / 100,945.02-151,439.13-30,829.50

Finding the Fourth Proportional to 100,945.02, 151,439.13 and 30,829.50

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Solution

The fourth proportional to 100,945.02, 151,439.13 and 30,829.50 is: 46,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,945.02 : 151,439.13 = 30,829.50 : x
  2. Step 2: Convert to fraction form
    100,945.02/151,439.13 = 30,829.50/x
  3. Step 3: Cross multiply
    100,945.02x = 151,439.13 × 30,829.50
  4. Step 4: Simplify right side
    100,945.02x = 4,668,792,658.34
  5. Step 5: Solve for x
    x = 4,668,792,658.34/100,945.02
  6. Step 6: Final answer
    x = 46,250.85

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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.