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Finding the Fourth Proportional to 176,711.98, 265,066.64 and 71,529.42

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Solution

The fourth proportional to 176,711.98, 265,066.64 and 71,529.42 is: 107,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,711.98 : 265,066.64 = 71,529.42 : x
  2. Step 2: Convert to fraction form
    176,711.98/265,066.64 = 71,529.42/x
  3. Step 3: Cross multiply
    176,711.98x = 265,066.64 × 71,529.42
  4. Step 4: Simplify right side
    176,711.98x = 18,960,063,020.55
  5. Step 5: Solve for x
    x = 18,960,063,020.55/176,711.98
  6. Step 6: Final answer
    x = 107,293.59

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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.