Home / 200,232.08-276,381.76-115,405.60

Finding the Fourth Proportional to 200,232.08, 276,381.76 and 115,405.60

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Solution

The fourth proportional to 200,232.08, 276,381.76 and 115,405.60 is: 159,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,232.08 : 276,381.76 = 115,405.60 : x
  2. Step 2: Convert to fraction form
    200,232.08/276,381.76 = 115,405.60/x
  3. Step 3: Cross multiply
    200,232.08x = 276,381.76 × 115,405.60
  4. Step 4: Simplify right side
    200,232.08x = 31,896,002,841.86
  5. Step 5: Solve for x
    x = 31,896,002,841.86/200,232.08
  6. Step 6: Final answer
    x = 159,295.17

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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.