Home / 105,497.82-158,130.63-52,110.75

Finding the Fourth Proportional to 105,497.82, 158,130.63 and 52,110.75

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Solution

The fourth proportional to 105,497.82, 158,130.63 and 52,110.75 is: 78,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,497.82 : 158,130.63 = 52,110.75 : x
  2. Step 2: Convert to fraction form
    105,497.82/158,130.63 = 52,110.75/x
  3. Step 3: Cross multiply
    105,497.82x = 158,130.63 × 52,110.75
  4. Step 4: Simplify right side
    105,497.82x = 8,240,306,320.26
  5. Step 5: Solve for x
    x = 8,240,306,320.26/105,497.82
  6. Step 6: Final answer
    x = 78,108.78

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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.