Home / 89,278.19-133,954.83-55,572.39

Finding the Fourth Proportional to 89,278.19, 133,954.83 and 55,572.39

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Solution

The fourth proportional to 89,278.19, 133,954.83 and 55,572.39 is: 83,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.19 : 133,954.83 = 55,572.39 : x
  2. Step 2: Convert to fraction form
    89,278.19/133,954.83 = 55,572.39/x
  3. Step 3: Cross multiply
    89,278.19x = 133,954.83 × 55,572.39
  4. Step 4: Simplify right side
    89,278.19x = 7,444,189,385.37
  5. Step 5: Solve for x
    x = 7,444,189,385.37/89,278.19
  6. Step 6: Final answer
    x = 83,381.95

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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.