Home / 146,181.95-201,731.12-79,113.95

Finding the Fourth Proportional to 146,181.95, 201,731.12 and 79,113.95

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Solution

The fourth proportional to 146,181.95, 201,731.12 and 79,113.95 is: 109,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,181.95 : 201,731.12 = 79,113.95 : x
  2. Step 2: Convert to fraction form
    146,181.95/201,731.12 = 79,113.95/x
  3. Step 3: Cross multiply
    146,181.95x = 201,731.12 × 79,113.95
  4. Step 4: Simplify right side
    146,181.95x = 15,959,746,146.56
  5. Step 5: Solve for x
    x = 15,959,746,146.56/146,181.95
  6. Step 6: Final answer
    x = 109,177.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.