Home / 216,110.72-298,230.11-119,315.36

Finding the Fourth Proportional to 216,110.72, 298,230.11 and 119,315.36

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Solution

The fourth proportional to 216,110.72, 298,230.11 and 119,315.36 is: 164,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,110.72 : 298,230.11 = 119,315.36 : x
  2. Step 2: Convert to fraction form
    216,110.72/298,230.11 = 119,315.36/x
  3. Step 3: Cross multiply
    216,110.72x = 298,230.11 × 119,315.36
  4. Step 4: Simplify right side
    216,110.72x = 35,583,432,937.49
  5. Step 5: Solve for x
    x = 35,583,432,937.49/216,110.72
  6. Step 6: Final answer
    x = 164,653.72

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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.