Home / 112,712.68-169,101.96-50,368.60

Finding the Fourth Proportional to 112,712.68, 169,101.96 and 50,368.60

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Solution

The fourth proportional to 112,712.68, 169,101.96 and 50,368.60 is: 75,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712.68 : 169,101.96 = 50,368.60 : x
  2. Step 2: Convert to fraction form
    112,712.68/169,101.96 = 50,368.60/x
  3. Step 3: Cross multiply
    112,712.68x = 169,101.96 × 50,368.60
  4. Step 4: Simplify right side
    112,712.68x = 8,517,428,370.82
  5. Step 5: Solve for x
    x = 8,517,428,370.82/112,712.68
  6. Step 6: Final answer
    x = 75,567.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.