Home / 91,153.71-125,792.13-50,317.85

Finding the Fourth Proportional to 91,153.71, 125,792.13 and 50,317.85

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Solution

The fourth proportional to 91,153.71, 125,792.13 and 50,317.85 is: 69,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,153.71 : 125,792.13 = 50,317.85 : x
  2. Step 2: Convert to fraction form
    91,153.71/125,792.13 = 50,317.85/x
  3. Step 3: Cross multiply
    91,153.71x = 125,792.13 × 50,317.85
  4. Step 4: Simplify right side
    91,153.71x = 6,329,588,899.56
  5. Step 5: Solve for x
    x = 6,329,588,899.56/91,153.71
  6. Step 6: Final answer
    x = 69,438.63

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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.