Home / 136,276.53-204,423.46-42,785.97

Finding the Fourth Proportional to 136,276.53, 204,423.46 and 42,785.97

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Solution

The fourth proportional to 136,276.53, 204,423.46 and 42,785.97 is: 64,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276.53 : 204,423.46 = 42,785.97 : x
  2. Step 2: Convert to fraction form
    136,276.53/204,423.46 = 42,785.97/x
  3. Step 3: Cross multiply
    136,276.53x = 204,423.46 × 42,785.97
  4. Step 4: Simplify right side
    136,276.53x = 8,746,455,919.89
  5. Step 5: Solve for x
    x = 8,746,455,919.89/136,276.53
  6. Step 6: Final answer
    x = 64,181.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.