Home / 215,063.04-296,803.62-129,025.25

Finding the Fourth Proportional to 215,063.04, 296,803.62 and 129,025.25

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Solution

The fourth proportional to 215,063.04, 296,803.62 and 129,025.25 is: 178,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,063.04 : 296,803.62 = 129,025.25 : x
  2. Step 2: Convert to fraction form
    215,063.04/296,803.62 = 129,025.25/x
  3. Step 3: Cross multiply
    215,063.04x = 296,803.62 × 129,025.25
  4. Step 4: Simplify right side
    215,063.04x = 38,295,159,787.39
  5. Step 5: Solve for x
    x = 38,295,159,787.39/215,063.04
  6. Step 6: Final answer
    x = 178,064.81

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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.