Home / 107,546.20-161,297.70-51,386.20

Finding the Fourth Proportional to 107,546.20, 161,297.70 and 51,386.20

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Solution

The fourth proportional to 107,546.20, 161,297.70 and 51,386.20 is: 77,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,546.20 : 161,297.70 = 51,386.20 : x
  2. Step 2: Convert to fraction form
    107,546.20/161,297.70 = 51,386.20/x
  3. Step 3: Cross multiply
    107,546.20x = 161,297.70 × 51,386.20
  4. Step 4: Simplify right side
    107,546.20x = 8,288,475,871.74
  5. Step 5: Solve for x
    x = 8,288,475,871.74/107,546.20
  6. Step 6: Final answer
    x = 77,068.98

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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.