Home / 74,119.78-111,179.43-57,277.24

Finding the Fourth Proportional to 74,119.78, 111,179.43 and 57,277.24

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Solution

The fourth proportional to 74,119.78, 111,179.43 and 57,277.24 is: 85,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,119.78 : 111,179.43 = 57,277.24 : x
  2. Step 2: Convert to fraction form
    74,119.78/111,179.43 = 57,277.24/x
  3. Step 3: Cross multiply
    74,119.78x = 111,179.43 × 57,277.24
  4. Step 4: Simplify right side
    74,119.78x = 6,368,050,895.17
  5. Step 5: Solve for x
    x = 6,368,050,895.17/74,119.78
  6. Step 6: Final answer
    x = 85,915.67

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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.