Home / 110,120.32-151,962.92-64,787.91

Finding the Fourth Proportional to 110,120.32, 151,962.92 and 64,787.91

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Solution

The fourth proportional to 110,120.32, 151,962.92 and 64,787.91 is: 89,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,120.32 : 151,962.92 = 64,787.91 : x
  2. Step 2: Convert to fraction form
    110,120.32/151,962.92 = 64,787.91/x
  3. Step 3: Cross multiply
    110,120.32x = 151,962.92 × 64,787.91
  4. Step 4: Simplify right side
    110,120.32x = 9,845,359,660.36
  5. Step 5: Solve for x
    x = 9,845,359,660.36/110,120.32
  6. Step 6: Final answer
    x = 89,405.48

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1.5x scale

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.