Home / 195,045.72-292,451.82-81,056.07

Finding the Fourth Proportional to 195,045.72, 292,451.82 and 81,056.07

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Solution

The fourth proportional to 195,045.72, 292,451.82 and 81,056.07 is: 121,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,045.72 : 292,451.82 = 81,056.07 : x
  2. Step 2: Convert to fraction form
    195,045.72/292,451.82 = 81,056.07/x
  3. Step 3: Cross multiply
    195,045.72x = 292,451.82 × 81,056.07
  4. Step 4: Simplify right side
    195,045.72x = 23,704,995,193.55
  5. Step 5: Solve for x
    x = 23,704,995,193.55/195,045.72
  6. Step 6: Final answer
    x = 121,535.58

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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.