Home / 76,207.16-114,318.25-26,280.72

Finding the Fourth Proportional to 76,207.16, 114,318.25 and 26,280.72

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Solution

The fourth proportional to 76,207.16, 114,318.25 and 26,280.72 is: 39,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207.16 : 114,318.25 = 26,280.72 : x
  2. Step 2: Convert to fraction form
    76,207.16/114,318.25 = 26,280.72/x
  3. Step 3: Cross multiply
    76,207.16x = 114,318.25 × 26,280.72
  4. Step 4: Simplify right side
    76,207.16x = 3,004,365,919.14
  5. Step 5: Solve for x
    x = 3,004,365,919.14/76,207.16
  6. Step 6: Final answer
    x = 39,423.67

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1.5x scale

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.