Home / 90,434.64-124,800.88-50,148.92

Finding the Fourth Proportional to 90,434.64, 124,800.88 and 50,148.92

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Solution

The fourth proportional to 90,434.64, 124,800.88 and 50,148.92 is: 69,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,434.64 : 124,800.88 = 50,148.92 : x
  2. Step 2: Convert to fraction form
    90,434.64/124,800.88 = 50,148.92/x
  3. Step 3: Cross multiply
    90,434.64x = 124,800.88 × 50,148.92
  4. Step 4: Simplify right side
    90,434.64x = 6,258,629,347.05
  5. Step 5: Solve for x
    x = 6,258,629,347.05/90,434.64
  6. Step 6: Final answer
    x = 69,206.11

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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.