Home / 91,154.18-125,792.80-50,318.34

Finding the Fourth Proportional to 91,154.18, 125,792.80 and 50,318.34

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Solution

The fourth proportional to 91,154.18, 125,792.80 and 50,318.34 is: 69,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,154.18 : 125,792.80 = 50,318.34 : x
  2. Step 2: Convert to fraction form
    91,154.18/125,792.80 = 50,318.34/x
  3. Step 3: Cross multiply
    91,154.18x = 125,792.80 × 50,318.34
  4. Step 4: Simplify right side
    91,154.18x = 6,329,684,282.43
  5. Step 5: Solve for x
    x = 6,329,684,282.43/91,154.18
  6. Step 6: Final answer
    x = 69,439.32

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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.