Home / 88,403.38-121,994.94-48,118.03

Finding the Fourth Proportional to 88,403.38, 121,994.94 and 48,118.03

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Solution

The fourth proportional to 88,403.38, 121,994.94 and 48,118.03 is: 66,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.38 : 121,994.94 = 48,118.03 : x
  2. Step 2: Convert to fraction form
    88,403.38/121,994.94 = 48,118.03/x
  3. Step 3: Cross multiply
    88,403.38x = 121,994.94 × 48,118.03
  4. Step 4: Simplify right side
    88,403.38x = 5,870,156,182.77
  5. Step 5: Solve for x
    x = 5,870,156,182.77/88,403.38
  6. Step 6: Final answer
    x = 66,401.94

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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.