Home / 213,382.92-294,218.64-145,440.12

Finding the Fourth Proportional to 213,382.92, 294,218.64 and 145,440.12

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Solution

The fourth proportional to 213,382.92, 294,218.64 and 145,440.12 is: 200,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,382.92 : 294,218.64 = 145,440.12 : x
  2. Step 2: Convert to fraction form
    213,382.92/294,218.64 = 145,440.12/x
  3. Step 3: Cross multiply
    213,382.92x = 294,218.64 × 145,440.12
  4. Step 4: Simplify right side
    213,382.92x = 42,791,194,307.84
  5. Step 5: Solve for x
    x = 42,791,194,307.84/213,382.92
  6. Step 6: Final answer
    x = 200,537.11

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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.