Home / 109,648.38-151,267.58-64,340.22

Finding the Fourth Proportional to 109,648.38, 151,267.58 and 64,340.22

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Solution

The fourth proportional to 109,648.38, 151,267.58 and 64,340.22 is: 88,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,648.38 : 151,267.58 = 64,340.22 : x
  2. Step 2: Convert to fraction form
    109,648.38/151,267.58 = 64,340.22/x
  3. Step 3: Cross multiply
    109,648.38x = 151,267.58 × 64,340.22
  4. Step 4: Simplify right side
    109,648.38x = 9,732,589,376.07
  5. Step 5: Solve for x
    x = 9,732,589,376.07/109,648.38
  6. Step 6: Final answer
    x = 88,761.82

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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.