Home / 150,112.12-225,168.64-121,898.31

Finding the Fourth Proportional to 150,112.12, 225,168.64 and 121,898.31

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Solution

The fourth proportional to 150,112.12, 225,168.64 and 121,898.31 is: 182,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,112.12 : 225,168.64 = 121,898.31 : x
  2. Step 2: Convert to fraction form
    150,112.12/225,168.64 = 121,898.31/x
  3. Step 3: Cross multiply
    150,112.12x = 225,168.64 × 121,898.31
  4. Step 4: Simplify right side
    150,112.12x = 27,447,676,681.00
  5. Step 5: Solve for x
    x = 27,447,676,681.00/150,112.12
  6. Step 6: Final answer
    x = 182,847.84

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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.