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Finding the Fourth Proportional to 164,283.67, 226,536.42 and 129,767.74

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Solution

The fourth proportional to 164,283.67, 226,536.42 and 129,767.74 is: 178,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,283.67 : 226,536.42 = 129,767.74 : x
  2. Step 2: Convert to fraction form
    164,283.67/226,536.42 = 129,767.74/x
  3. Step 3: Cross multiply
    164,283.67x = 226,536.42 × 129,767.74
  4. Step 4: Simplify right side
    164,283.67x = 29,397,119,251.09
  5. Step 5: Solve for x
    x = 29,397,119,251.09/164,283.67
  6. Step 6: Final answer
    x = 178,941.21

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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.