Home / 105,817.32-158,624.73-39,239.64

Finding the Fourth Proportional to 105,817.32, 158,624.73 and 39,239.64

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Solution

The fourth proportional to 105,817.32, 158,624.73 and 39,239.64 is: 58,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.32 : 158,624.73 = 39,239.64 : x
  2. Step 2: Convert to fraction form
    105,817.32/158,624.73 = 39,239.64/x
  3. Step 3: Cross multiply
    105,817.32x = 158,624.73 × 39,239.64
  4. Step 4: Simplify right side
    105,817.32x = 6,224,377,300.30
  5. Step 5: Solve for x
    x = 6,224,377,300.30/105,817.32
  6. Step 6: Final answer
    x = 58,821.91

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1.5x scale

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.