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Finding the Fourth Proportional to 150,008.40, 225,012.60 and 136,875.60

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Solution

The fourth proportional to 150,008.40, 225,012.60 and 136,875.60 is: 205,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,008.40 : 225,012.60 = 136,875.60 : x
  2. Step 2: Convert to fraction form
    150,008.40/225,012.60 = 136,875.60/x
  3. Step 3: Cross multiply
    150,008.40x = 225,012.60 × 136,875.60
  4. Step 4: Simplify right side
    150,008.40x = 30,798,734,632.56
  5. Step 5: Solve for x
    x = 30,798,734,632.56/150,008.40
  6. Step 6: Final answer
    x = 205,313.40

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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.