Home / 131,415.12-197,119.80-37,928.88

Finding the Fourth Proportional to 131,415.12, 197,119.80 and 37,928.88

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Solution

The fourth proportional to 131,415.12, 197,119.80 and 37,928.88 is: 56,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415.12 : 197,119.80 = 37,928.88 : x
  2. Step 2: Convert to fraction form
    131,415.12/197,119.80 = 37,928.88/x
  3. Step 3: Cross multiply
    131,415.12x = 197,119.80 × 37,928.88
  4. Step 4: Simplify right side
    131,415.12x = 7,476,533,239.82
  5. Step 5: Solve for x
    x = 7,476,533,239.82/131,415.12
  6. Step 6: Final answer
    x = 56,892.49

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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.