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Finding the Fourth Proportional to 178,034.29, 245,690.21 and 97,460.45

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Solution

The fourth proportional to 178,034.29, 245,690.21 and 97,460.45 is: 134,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,034.29 : 245,690.21 = 97,460.45 : x
  2. Step 2: Convert to fraction form
    178,034.29/245,690.21 = 97,460.45/x
  3. Step 3: Cross multiply
    178,034.29x = 245,690.21 × 97,460.45
  4. Step 4: Simplify right side
    178,034.29x = 23,945,078,363.73
  5. Step 5: Solve for x
    x = 23,945,078,363.73/178,034.29
  6. Step 6: Final answer
    x = 134,497.00

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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.