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Finding the Fourth Proportional to 178,165.55, 245,859.72 and 97,593.43

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Solution

The fourth proportional to 178,165.55, 245,859.72 and 97,593.43 is: 134,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,165.55 : 245,859.72 = 97,593.43 : x
  2. Step 2: Convert to fraction form
    178,165.55/245,859.72 = 97,593.43/x
  3. Step 3: Cross multiply
    178,165.55x = 245,859.72 × 97,593.43
  4. Step 4: Simplify right side
    178,165.55x = 23,994,292,885.67
  5. Step 5: Solve for x
    x = 23,994,292,885.67/178,165.55
  6. Step 6: Final answer
    x = 134,674.15

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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.