Home / 107,805.12-161,702.28-41,277.12

Finding the Fourth Proportional to 107,805.12, 161,702.28 and 41,277.12

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Solution

The fourth proportional to 107,805.12, 161,702.28 and 41,277.12 is: 61,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,805.12 : 161,702.28 = 41,277.12 : x
  2. Step 2: Convert to fraction form
    107,805.12/161,702.28 = 41,277.12/x
  3. Step 3: Cross multiply
    107,805.12x = 161,702.28 × 41,277.12
  4. Step 4: Simplify right side
    107,805.12x = 6,674,604,415.83
  5. Step 5: Solve for x
    x = 6,674,604,415.83/107,805.12
  6. Step 6: Final answer
    x = 61,913.61

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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.