Home / 105,587.46-158,379.87-42,406.41

Finding the Fourth Proportional to 105,587.46, 158,379.87 and 42,406.41

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Solution

The fourth proportional to 105,587.46, 158,379.87 and 42,406.41 is: 63,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,587.46 : 158,379.87 = 42,406.41 : x
  2. Step 2: Convert to fraction form
    105,587.46/158,379.87 = 42,406.41/x
  3. Step 3: Cross multiply
    105,587.46x = 158,379.87 × 42,406.41
  4. Step 4: Simplify right side
    105,587.46x = 6,716,321,702.97
  5. Step 5: Solve for x
    x = 6,716,321,702.97/105,587.46
  6. Step 6: Final answer
    x = 63,609.08

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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.