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Finding the Fourth Proportional to 176,954.49, 265,430.07 and 71,748.45

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Solution

The fourth proportional to 176,954.49, 265,430.07 and 71,748.45 is: 107,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,954.49 : 265,430.07 = 71,748.45 : x
  2. Step 2: Convert to fraction form
    176,954.49/265,430.07 = 71,748.45/x
  3. Step 3: Cross multiply
    176,954.49x = 265,430.07 × 71,748.45
  4. Step 4: Simplify right side
    176,954.49x = 19,044,196,105.89
  5. Step 5: Solve for x
    x = 19,044,196,105.89/176,954.49
  6. Step 6: Final answer
    x = 107,622.00

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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.