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Finding the Fourth Proportional to 117,343.49, 176,058.97 and 64,738.85

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Solution

The fourth proportional to 117,343.49, 176,058.97 and 64,738.85 is: 97,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,343.49 : 176,058.97 = 64,738.85 : x
  2. Step 2: Convert to fraction form
    117,343.49/176,058.97 = 64,738.85/x
  3. Step 3: Cross multiply
    117,343.49x = 176,058.97 × 64,738.85
  4. Step 4: Simplify right side
    117,343.49x = 11,397,854,207.84
  5. Step 5: Solve for x
    x = 11,397,854,207.84/117,343.49
  6. Step 6: Final answer
    x = 97,132.40

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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.