Home / 119,112.36-164,379.28-65,401.48

Finding the Fourth Proportional to 119,112.36, 164,379.28 and 65,401.48

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Solution

The fourth proportional to 119,112.36, 164,379.28 and 65,401.48 is: 90,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.36 : 164,379.28 = 65,401.48 : x
  2. Step 2: Convert to fraction form
    119,112.36/164,379.28 = 65,401.48/x
  3. Step 3: Cross multiply
    119,112.36x = 164,379.28 × 65,401.48
  4. Step 4: Simplify right side
    119,112.36x = 10,750,648,193.33
  5. Step 5: Solve for x
    x = 10,750,648,193.33/119,112.36
  6. Step 6: Final answer
    x = 90,256.36

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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.