Home / 90,436.53-124,808.81-50,154.15

Finding the Fourth Proportional to 90,436.53, 124,808.81 and 50,154.15

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Solution

The fourth proportional to 90,436.53, 124,808.81 and 50,154.15 is: 69,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436.53 : 124,808.81 = 50,154.15 : x
  2. Step 2: Convert to fraction form
    90,436.53/124,808.81 = 50,154.15/x
  3. Step 3: Cross multiply
    90,436.53x = 124,808.81 × 50,154.15
  4. Step 4: Simplify right side
    90,436.53x = 6,259,679,527.29
  5. Step 5: Solve for x
    x = 6,259,679,527.29/90,436.53
  6. Step 6: Final answer
    x = 69,216.27

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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.