Home / 90,459.03-124,833.51-50,171.43

Finding the Fourth Proportional to 90,459.03, 124,833.51 and 50,171.43

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Solution

The fourth proportional to 90,459.03, 124,833.51 and 50,171.43 is: 69,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,459.03 : 124,833.51 = 50,171.43 : x
  2. Step 2: Convert to fraction form
    90,459.03/124,833.51 = 50,171.43/x
  3. Step 3: Cross multiply
    90,459.03x = 124,833.51 × 50,171.43
  4. Step 4: Simplify right side
    90,459.03x = 6,263,075,708.62
  5. Step 5: Solve for x
    x = 6,263,075,708.62/90,459.03
  6. Step 6: Final answer
    x = 69,236.60

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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.