Home / 105,188.35-157,858.65-41,155.96

Finding the Fourth Proportional to 105,188.35, 157,858.65 and 41,155.96

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Solution

The fourth proportional to 105,188.35, 157,858.65 and 41,155.96 is: 61,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,188.35 : 157,858.65 = 41,155.96 : x
  2. Step 2: Convert to fraction form
    105,188.35/157,858.65 = 41,155.96/x
  3. Step 3: Cross multiply
    105,188.35x = 157,858.65 × 41,155.96
  4. Step 4: Simplify right side
    105,188.35x = 6,496,824,285.05
  5. Step 5: Solve for x
    x = 6,496,824,285.05/105,188.35
  6. Step 6: Final answer
    x = 61,763.72

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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.