Home / 251,833.15-347,542.55-142,945.16

Finding the Fourth Proportional to 251,833.15, 347,542.55 and 142,945.16

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Solution

The fourth proportional to 251,833.15, 347,542.55 and 142,945.16 is: 197,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,833.15 : 347,542.55 = 142,945.16 : x
  2. Step 2: Convert to fraction form
    251,833.15/347,542.55 = 142,945.16/x
  3. Step 3: Cross multiply
    251,833.15x = 347,542.55 × 142,945.16
  4. Step 4: Simplify right side
    251,833.15x = 49,679,523,500.16
  5. Step 5: Solve for x
    x = 49,679,523,500.16/251,833.15
  6. Step 6: Final answer
    x = 197,271.58

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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.