Home / 89,161.06-133,950.56-84,117.18

Finding the Fourth Proportional to 89,161.06, 133,950.56 and 84,117.18

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Solution

The fourth proportional to 89,161.06, 133,950.56 and 84,117.18 is: 126,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.06 : 133,950.56 = 84,117.18 : x
  2. Step 2: Convert to fraction form
    89,161.06/133,950.56 = 84,117.18/x
  3. Step 3: Cross multiply
    89,161.06x = 133,950.56 × 84,117.18
  4. Step 4: Simplify right side
    89,161.06x = 11,267,543,366.62
  5. Step 5: Solve for x
    x = 11,267,543,366.62/89,161.06
  6. Step 6: Final answer
    x = 126,372.92

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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.