Home / 219,938.80-303,516.84-119,336.72

Finding the Fourth Proportional to 219,938.80, 303,516.84 and 119,336.72

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Solution

The fourth proportional to 219,938.80, 303,516.84 and 119,336.72 is: 164,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,938.80 : 303,516.84 = 119,336.72 : x
  2. Step 2: Convert to fraction form
    219,938.80/303,516.84 = 119,336.72/x
  3. Step 3: Cross multiply
    219,938.80x = 303,516.84 × 119,336.72
  4. Step 4: Simplify right side
    219,938.80x = 36,220,704,150.36
  5. Step 5: Solve for x
    x = 36,220,704,150.36/219,938.80
  6. Step 6: Final answer
    x = 164,685.38

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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.