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Finding the Fourth Proportional to 146,134.68, 201,666.06 and 79,066.68

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Solution

The fourth proportional to 146,134.68, 201,666.06 and 79,066.68 is: 109,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,134.68 : 201,666.06 = 79,066.68 : x
  2. Step 2: Convert to fraction form
    146,134.68/201,666.06 = 79,066.68/x
  3. Step 3: Cross multiply
    146,134.68x = 201,666.06 × 79,066.68
  4. Step 4: Simplify right side
    146,134.68x = 15,945,065,832.88
  5. Step 5: Solve for x
    x = 15,945,065,832.88/146,134.68
  6. Step 6: Final answer
    x = 109,112.13

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1.5x scale

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.