Home / 77,778.24-116,666.01-25,187.82

Finding the Fourth Proportional to 77,778.24, 116,666.01 and 25,187.82

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Solution

The fourth proportional to 77,778.24, 116,666.01 and 25,187.82 is: 37,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,778.24 : 116,666.01 = 25,187.82 : x
  2. Step 2: Convert to fraction form
    77,778.24/116,666.01 = 25,187.82/x
  3. Step 3: Cross multiply
    77,778.24x = 116,666.01 × 25,187.82
  4. Step 4: Simplify right side
    77,778.24x = 2,938,562,460.00
  5. Step 5: Solve for x
    x = 2,938,562,460.00/77,778.24
  6. Step 6: Final answer
    x = 37,781.29

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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.