Home / 107,359.30-161,066.79-40,800.58

Finding the Fourth Proportional to 107,359.30, 161,066.79 and 40,800.58

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Solution

The fourth proportional to 107,359.30, 161,066.79 and 40,800.58 is: 61,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,359.30 : 161,066.79 = 40,800.58 : x
  2. Step 2: Convert to fraction form
    107,359.30/161,066.79 = 40,800.58/x
  3. Step 3: Cross multiply
    107,359.30x = 161,066.79 × 40,800.58
  4. Step 4: Simplify right side
    107,359.30x = 6,571,618,450.74
  5. Step 5: Solve for x
    x = 6,571,618,450.74/107,359.30
  6. Step 6: Final answer
    x = 61,211.45

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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.