Home / 138,296.92-190,477.02-119,401.24

Finding the Fourth Proportional to 138,296.92, 190,477.02 and 119,401.24

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Solution

The fourth proportional to 138,296.92, 190,477.02 and 119,401.24 is: 164,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,296.92 : 190,477.02 = 119,401.24 : x
  2. Step 2: Convert to fraction form
    138,296.92/190,477.02 = 119,401.24/x
  3. Step 3: Cross multiply
    138,296.92x = 190,477.02 × 119,401.24
  4. Step 4: Simplify right side
    138,296.92x = 22,743,192,379.50
  5. Step 5: Solve for x
    x = 22,743,192,379.50/138,296.92
  6. Step 6: Final answer
    x = 164,451.91

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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.