Home / 216,127.44-298,260.36-120,638.16

Finding the Fourth Proportional to 216,127.44, 298,260.36 and 120,638.16

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Solution

The fourth proportional to 216,127.44, 298,260.36 and 120,638.16 is: 166,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,127.44 : 298,260.36 = 120,638.16 : x
  2. Step 2: Convert to fraction form
    216,127.44/298,260.36 = 120,638.16/x
  3. Step 3: Cross multiply
    216,127.44x = 298,260.36 × 120,638.16
  4. Step 4: Simplify right side
    216,127.44x = 35,981,581,031.34
  5. Step 5: Solve for x
    x = 35,981,581,031.34/216,127.44
  6. Step 6: Final answer
    x = 166,483.17

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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.