Home / 133,052.68-183,608.14-79,310

Finding the Fourth Proportional to 133,052.68, 183,608.14 and 79,310

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Solution

The fourth proportional to 133,052.68, 183,608.14 and 79,310 is: 109,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.68 : 183,608.14 = 79,310 : x
  2. Step 2: Convert to fraction form
    133,052.68/183,608.14 = 79,310/x
  3. Step 3: Cross multiply
    133,052.68x = 183,608.14 × 79,310
  4. Step 4: Simplify right side
    133,052.68x = 14,561,961,583.40
  5. Step 5: Solve for x
    x = 14,561,961,583.40/133,052.68
  6. Step 6: Final answer
    x = 109,445.08

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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.