Home / 188,583.84-282,831.96-55,428.48

Finding the Fourth Proportional to 188,583.84, 282,831.96 and 55,428.48

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Solution

The fourth proportional to 188,583.84, 282,831.96 and 55,428.48 is: 83,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,583.84 : 282,831.96 = 55,428.48 : x
  2. Step 2: Convert to fraction form
    188,583.84/282,831.96 = 55,428.48/x
  3. Step 3: Cross multiply
    188,583.84x = 282,831.96 × 55,428.48
  4. Step 4: Simplify right side
    188,583.84x = 15,676,945,638.22
  5. Step 5: Solve for x
    x = 15,676,945,638.22/188,583.84
  6. Step 6: Final answer
    x = 83,129.85

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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.