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Finding the Fourth Proportional to 118,937.67, 178,389.14 and 34,675.19

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Solution

The fourth proportional to 118,937.67, 178,389.14 and 34,675.19 is: 52,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,937.67 : 178,389.14 = 34,675.19 : x
  2. Step 2: Convert to fraction form
    118,937.67/178,389.14 = 34,675.19/x
  3. Step 3: Cross multiply
    118,937.67x = 178,389.14 × 34,675.19
  4. Step 4: Simplify right side
    118,937.67x = 6,185,676,927.07
  5. Step 5: Solve for x
    x = 6,185,676,927.07/118,937.67
  6. Step 6: Final answer
    x = 52,007.72

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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.