Home / 115,057.44-158,774.16-64,072.80

Finding the Fourth Proportional to 115,057.44, 158,774.16 and 64,072.80

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Solution

The fourth proportional to 115,057.44, 158,774.16 and 64,072.80 is: 88,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,057.44 : 158,774.16 = 64,072.80 : x
  2. Step 2: Convert to fraction form
    115,057.44/158,774.16 = 64,072.80/x
  3. Step 3: Cross multiply
    115,057.44x = 158,774.16 × 64,072.80
  4. Step 4: Simplify right side
    115,057.44x = 10,173,104,998.85
  5. Step 5: Solve for x
    x = 10,173,104,998.85/115,057.44
  6. Step 6: Final answer
    x = 88,417.62

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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.