Home / 252,520.54-348,499.74-145,127.50

Finding the Fourth Proportional to 252,520.54, 348,499.74 and 145,127.50

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Solution

The fourth proportional to 252,520.54, 348,499.74 and 145,127.50 is: 200,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,520.54 : 348,499.74 = 145,127.50 : x
  2. Step 2: Convert to fraction form
    252,520.54/348,499.74 = 145,127.50/x
  3. Step 3: Cross multiply
    252,520.54x = 348,499.74 × 145,127.50
  4. Step 4: Simplify right side
    252,520.54x = 50,576,896,016.85
  5. Step 5: Solve for x
    x = 50,576,896,016.85/252,520.54
  6. Step 6: Final answer
    x = 200,288.25

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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.