Home / 115,966.54-173,999.32-49,438

Finding the Fourth Proportional to 115,966.54, 173,999.32 and 49,438

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Solution

The fourth proportional to 115,966.54, 173,999.32 and 49,438 is: 74,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.54 : 173,999.32 = 49,438 : x
  2. Step 2: Convert to fraction form
    115,966.54/173,999.32 = 49,438/x
  3. Step 3: Cross multiply
    115,966.54x = 173,999.32 × 49,438
  4. Step 4: Simplify right side
    115,966.54x = 8,602,178,382.16
  5. Step 5: Solve for x
    x = 8,602,178,382.16/115,966.54
  6. Step 6: Final answer
    x = 74,178.11

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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.