Home / 88,370.13-133,035.87-80,523.21

Finding the Fourth Proportional to 88,370.13, 133,035.87 and 80,523.21

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Solution

The fourth proportional to 88,370.13, 133,035.87 and 80,523.21 is: 121,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,370.13 : 133,035.87 = 80,523.21 : x
  2. Step 2: Convert to fraction form
    88,370.13/133,035.87 = 80,523.21/x
  3. Step 3: Cross multiply
    88,370.13x = 133,035.87 × 80,523.21
  4. Step 4: Simplify right side
    88,370.13x = 10,712,475,297.54
  5. Step 5: Solve for x
    x = 10,712,475,297.54/88,370.13
  6. Step 6: Final answer
    x = 121,222.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.