Home / 154,551.38-231,741.81-47,905.76

Finding the Fourth Proportional to 154,551.38, 231,741.81 and 47,905.76

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Solution

The fourth proportional to 154,551.38, 231,741.81 and 47,905.76 is: 71,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,551.38 : 231,741.81 = 47,905.76 : x
  2. Step 2: Convert to fraction form
    154,551.38/231,741.81 = 47,905.76/x
  3. Step 3: Cross multiply
    154,551.38x = 231,741.81 × 47,905.76
  4. Step 4: Simplify right side
    154,551.38x = 11,101,768,111.18
  5. Step 5: Solve for x
    x = 11,101,768,111.18/154,551.38
  6. Step 6: Final answer
    x = 71,832.22

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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.