Home / 154,274.10-231,428.16-49,068.47

Finding the Fourth Proportional to 154,274.10, 231,428.16 and 49,068.47

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Solution

The fourth proportional to 154,274.10, 231,428.16 and 49,068.47 is: 73,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,274.10 : 231,428.16 = 49,068.47 : x
  2. Step 2: Convert to fraction form
    154,274.10/231,428.16 = 49,068.47/x
  3. Step 3: Cross multiply
    154,274.10x = 231,428.16 × 49,068.47
  4. Step 4: Simplify right side
    154,274.10x = 11,355,824,568.97
  5. Step 5: Solve for x
    x = 11,355,824,568.97/154,274.10
  6. Step 6: Final answer
    x = 73,608.11

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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.