Home / 88,219.13-121,758.80-50,493.38

Finding the Fourth Proportional to 88,219.13, 121,758.80 and 50,493.38

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Solution

The fourth proportional to 88,219.13, 121,758.80 and 50,493.38 is: 69,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,219.13 : 121,758.80 = 50,493.38 : x
  2. Step 2: Convert to fraction form
    88,219.13/121,758.80 = 50,493.38/x
  3. Step 3: Cross multiply
    88,219.13x = 121,758.80 × 50,493.38
  4. Step 4: Simplify right side
    88,219.13x = 6,148,012,495.48
  5. Step 5: Solve for x
    x = 6,148,012,495.48/88,219.13
  6. Step 6: Final answer
    x = 69,690.25

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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.