Home / 146,097.79-201,618.10-80,686.42

Finding the Fourth Proportional to 146,097.79, 201,618.10 and 80,686.42

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Solution

The fourth proportional to 146,097.79, 201,618.10 and 80,686.42 is: 111,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,097.79 : 201,618.10 = 80,686.42 : x
  2. Step 2: Convert to fraction form
    146,097.79/201,618.10 = 80,686.42/x
  3. Step 3: Cross multiply
    146,097.79x = 201,618.10 × 80,686.42
  4. Step 4: Simplify right side
    146,097.79x = 16,267,842,494.49
  5. Step 5: Solve for x
    x = 16,267,842,494.49/146,097.79
  6. Step 6: Final answer
    x = 111,349.00

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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.