Home / 134,031.92-184,968.36-77,443.28

Finding the Fourth Proportional to 134,031.92, 184,968.36 and 77,443.28

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Solution

The fourth proportional to 134,031.92, 184,968.36 and 77,443.28 is: 106,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,031.92 : 184,968.36 = 77,443.28 : x
  2. Step 2: Convert to fraction form
    134,031.92/184,968.36 = 77,443.28/x
  3. Step 3: Cross multiply
    134,031.92x = 184,968.36 × 77,443.28
  4. Step 4: Simplify right side
    134,031.92x = 14,324,556,494.62
  5. Step 5: Solve for x
    x = 14,324,556,494.62/134,031.92
  6. Step 6: Final answer
    x = 106,874.22

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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.