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Finding the Fourth Proportional to 177,381.74, 265,914.36 and 65,035.72

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Solution

The fourth proportional to 177,381.74, 265,914.36 and 65,035.72 is: 97,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,381.74 : 265,914.36 = 65,035.72 : x
  2. Step 2: Convert to fraction form
    177,381.74/265,914.36 = 65,035.72/x
  3. Step 3: Cross multiply
    177,381.74x = 265,914.36 × 65,035.72
  4. Step 4: Simplify right side
    177,381.74x = 17,293,931,860.94
  5. Step 5: Solve for x
    x = 17,293,931,860.94/177,381.74
  6. Step 6: Final answer
    x = 97,495.56

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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.