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Finding the Fourth Proportional to 134,552.81, 200,775.07 and 120,415.68

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Solution

The fourth proportional to 134,552.81, 200,775.07 and 120,415.68 is: 179,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,552.81 : 200,775.07 = 120,415.68 : x
  2. Step 2: Convert to fraction form
    134,552.81/200,775.07 = 120,415.68/x
  3. Step 3: Cross multiply
    134,552.81x = 200,775.07 × 120,415.68
  4. Step 4: Simplify right side
    134,552.81x = 24,176,466,731.62
  5. Step 5: Solve for x
    x = 24,176,466,731.62/134,552.81
  6. Step 6: Final answer
    x = 179,680.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.