Home / 105,183.25-157,864.05-42,047.96

Finding the Fourth Proportional to 105,183.25, 157,864.05 and 42,047.96

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Solution

The fourth proportional to 105,183.25, 157,864.05 and 42,047.96 is: 63,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,183.25 : 157,864.05 = 42,047.96 : x
  2. Step 2: Convert to fraction form
    105,183.25/157,864.05 = 42,047.96/x
  3. Step 3: Cross multiply
    105,183.25x = 157,864.05 × 42,047.96
  4. Step 4: Simplify right side
    105,183.25x = 6,637,860,470.52
  5. Step 5: Solve for x
    x = 6,637,860,470.52/105,183.25
  6. Step 6: Final answer
    x = 63,107.58

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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.