Home / 90,443.02-124,811.64-50,160.50

Finding the Fourth Proportional to 90,443.02, 124,811.64 and 50,160.50

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Solution

The fourth proportional to 90,443.02, 124,811.64 and 50,160.50 is: 69,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,443.02 : 124,811.64 = 50,160.50 : x
  2. Step 2: Convert to fraction form
    90,443.02/124,811.64 = 50,160.50/x
  3. Step 3: Cross multiply
    90,443.02x = 124,811.64 × 50,160.50
  4. Step 4: Simplify right side
    90,443.02x = 6,260,614,268.22
  5. Step 5: Solve for x
    x = 6,260,614,268.22/90,443.02
  6. Step 6: Final answer
    x = 69,221.64

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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.