Home / 216,513.42-298,776.45-119,711.67

Finding the Fourth Proportional to 216,513.42, 298,776.45 and 119,711.67

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Solution

The fourth proportional to 216,513.42, 298,776.45 and 119,711.67 is: 165,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,513.42 : 298,776.45 = 119,711.67 : x
  2. Step 2: Convert to fraction form
    216,513.42/298,776.45 = 119,711.67/x
  3. Step 3: Cross multiply
    216,513.42x = 298,776.45 × 119,711.67
  4. Step 4: Simplify right side
    216,513.42x = 35,767,027,786.17
  5. Step 5: Solve for x
    x = 35,767,027,786.17/216,513.42
  6. Step 6: Final answer
    x = 165,195.43

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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.