Home / 105,426.32-145,535.88-67,237.16

Finding the Fourth Proportional to 105,426.32, 145,535.88 and 67,237.16

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Solution

The fourth proportional to 105,426.32, 145,535.88 and 67,237.16 is: 92,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,426.32 : 145,535.88 = 67,237.16 : x
  2. Step 2: Convert to fraction form
    105,426.32/145,535.88 = 67,237.16/x
  3. Step 3: Cross multiply
    105,426.32x = 145,535.88 × 67,237.16
  4. Step 4: Simplify right side
    105,426.32x = 9,785,419,249.30
  5. Step 5: Solve for x
    x = 9,785,419,249.30/105,426.32
  6. Step 6: Final answer
    x = 92,817.61

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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.