Home / 94,739.74-142,081.11-78,058.42

Finding the Fourth Proportional to 94,739.74, 142,081.11 and 78,058.42

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Solution

The fourth proportional to 94,739.74, 142,081.11 and 78,058.42 is: 117,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,739.74 : 142,081.11 = 78,058.42 : x
  2. Step 2: Convert to fraction form
    94,739.74/142,081.11 = 78,058.42/x
  3. Step 3: Cross multiply
    94,739.74x = 142,081.11 × 78,058.42
  4. Step 4: Simplify right side
    94,739.74x = 11,090,626,958.45
  5. Step 5: Solve for x
    x = 11,090,626,958.45/94,739.74
  6. Step 6: Final answer
    x = 117,064.15

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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.