Home / 110,171.49-152,057.10-64,847.28

Finding the Fourth Proportional to 110,171.49, 152,057.10 and 64,847.28

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Solution

The fourth proportional to 110,171.49, 152,057.10 and 64,847.28 is: 89,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,171.49 : 152,057.10 = 64,847.28 : x
  2. Step 2: Convert to fraction form
    110,171.49/152,057.10 = 64,847.28/x
  3. Step 3: Cross multiply
    110,171.49x = 152,057.10 × 64,847.28
  4. Step 4: Simplify right side
    110,171.49x = 9,860,489,788.31
  5. Step 5: Solve for x
    x = 9,860,489,788.31/110,171.49
  6. Step 6: Final answer
    x = 89,501.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.