Home / 90,434.85-124,794.02-50,147.13

Finding the Fourth Proportional to 90,434.85, 124,794.02 and 50,147.13

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Solution

The fourth proportional to 90,434.85, 124,794.02 and 50,147.13 is: 69,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,434.85 : 124,794.02 = 50,147.13 : x
  2. Step 2: Convert to fraction form
    90,434.85/124,794.02 = 50,147.13/x
  3. Step 3: Cross multiply
    90,434.85x = 124,794.02 × 50,147.13
  4. Step 4: Simplify right side
    90,434.85x = 6,258,061,202.48
  5. Step 5: Solve for x
    x = 6,258,061,202.48/90,434.85
  6. Step 6: Final answer
    x = 69,199.66

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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.