Home / 90,447.40-124,808.52-50,160.46

Finding the Fourth Proportional to 90,447.40, 124,808.52 and 50,160.46

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Solution

The fourth proportional to 90,447.40, 124,808.52 and 50,160.46 is: 69,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,447.40 : 124,808.52 = 50,160.46 : x
  2. Step 2: Convert to fraction form
    90,447.40/124,808.52 = 50,160.46/x
  3. Step 3: Cross multiply
    90,447.40x = 124,808.52 × 50,160.46
  4. Step 4: Simplify right side
    90,447.40x = 6,260,452,775.12
  5. Step 5: Solve for x
    x = 6,260,452,775.12/90,447.40
  6. Step 6: Final answer
    x = 69,216.50

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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.