Home / 216,003.16-298,083.52-120,509.92

Finding the Fourth Proportional to 216,003.16, 298,083.52 and 120,509.92

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Solution

The fourth proportional to 216,003.16, 298,083.52 and 120,509.92 is: 166,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,003.16 : 298,083.52 = 120,509.92 : x
  2. Step 2: Convert to fraction form
    216,003.16/298,083.52 = 120,509.92/x
  3. Step 3: Cross multiply
    216,003.16x = 298,083.52 × 120,509.92
  4. Step 4: Simplify right side
    216,003.16x = 35,922,021,148.52
  5. Step 5: Solve for x
    x = 35,922,021,148.52/216,003.16
  6. Step 6: Final answer
    x = 166,303.22

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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.