Home / 131,479.57-197,094.51-42,670.97

Finding the Fourth Proportional to 131,479.57, 197,094.51 and 42,670.97

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Solution

The fourth proportional to 131,479.57, 197,094.51 and 42,670.97 is: 63,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,479.57 : 197,094.51 = 42,670.97 : x
  2. Step 2: Convert to fraction form
    131,479.57/197,094.51 = 42,670.97/x
  3. Step 3: Cross multiply
    131,479.57x = 197,094.51 × 42,670.97
  4. Step 4: Simplify right side
    131,479.57x = 8,410,213,677.01
  5. Step 5: Solve for x
    x = 8,410,213,677.01/131,479.57
  6. Step 6: Final answer
    x = 63,965.93

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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.