Home / 216,249.69-298,417.19-120,753.93

Finding the Fourth Proportional to 216,249.69, 298,417.19 and 120,753.93

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Solution

The fourth proportional to 216,249.69, 298,417.19 and 120,753.93 is: 166,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,249.69 : 298,417.19 = 120,753.93 : x
  2. Step 2: Convert to fraction form
    216,249.69/298,417.19 = 120,753.93/x
  3. Step 3: Cross multiply
    216,249.69x = 298,417.19 × 120,753.93
  4. Step 4: Simplify right side
    216,249.69x = 36,035,047,868.29
  5. Step 5: Solve for x
    x = 36,035,047,868.29/216,249.69
  6. Step 6: Final answer
    x = 166,636.30

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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.