Home / 112,247.72-154,905.47-63,848.40

Finding the Fourth Proportional to 112,247.72, 154,905.47 and 63,848.40

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Solution

The fourth proportional to 112,247.72, 154,905.47 and 63,848.40 is: 88,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,247.72 : 154,905.47 = 63,848.40 : x
  2. Step 2: Convert to fraction form
    112,247.72/154,905.47 = 63,848.40/x
  3. Step 3: Cross multiply
    112,247.72x = 154,905.47 × 63,848.40
  4. Step 4: Simplify right side
    112,247.72x = 9,890,466,410.75
  5. Step 5: Solve for x
    x = 9,890,466,410.75/112,247.72
  6. Step 6: Final answer
    x = 88,112.85

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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.