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Finding the Fourth Proportional to 173,071, 238,838.70 and 93,583

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Solution

The fourth proportional to 173,071, 238,838.70 and 93,583 is: 129,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,071 : 238,838.70 = 93,583 : x
  2. Step 2: Convert to fraction form
    173,071/238,838.70 = 93,583/x
  3. Step 3: Cross multiply
    173,071x = 238,838.70 × 93,583
  4. Step 4: Simplify right side
    173,071x = 22,351,242,062.10
  5. Step 5: Solve for x
    x = 22,351,242,062.10/173,071
  6. Step 6: Final answer
    x = 129,144.93

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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.