Home / 90,433.80-124,803.66-50,146.71

Finding the Fourth Proportional to 90,433.80, 124,803.66 and 50,146.71

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Solution

The fourth proportional to 90,433.80, 124,803.66 and 50,146.71 is: 69,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,433.80 : 124,803.66 = 50,146.71 : x
  2. Step 2: Convert to fraction form
    90,433.80/124,803.66 = 50,146.71/x
  3. Step 3: Cross multiply
    90,433.80x = 124,803.66 × 50,146.71
  4. Step 4: Simplify right side
    90,433.80x = 6,258,492,944.96
  5. Step 5: Solve for x
    x = 6,258,492,944.96/90,433.80
  6. Step 6: Final answer
    x = 69,205.24

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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.