Home / 142,318.02-213,469.34-72,195.52

Finding the Fourth Proportional to 142,318.02, 213,469.34 and 72,195.52

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Solution

The fourth proportional to 142,318.02, 213,469.34 and 72,195.52 is: 108,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,318.02 : 213,469.34 = 72,195.52 : x
  2. Step 2: Convert to fraction form
    142,318.02/213,469.34 = 72,195.52/x
  3. Step 3: Cross multiply
    142,318.02x = 213,469.34 × 72,195.52
  4. Step 4: Simplify right side
    142,318.02x = 15,411,530,005.36
  5. Step 5: Solve for x
    x = 15,411,530,005.36/142,318.02
  6. Step 6: Final answer
    x = 108,289.38

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1.5x scale

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.