Home / 188,580.16-282,915.30-55,464.76

Finding the Fourth Proportional to 188,580.16, 282,915.30 and 55,464.76

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Solution

The fourth proportional to 188,580.16, 282,915.30 and 55,464.76 is: 83,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,580.16 : 282,915.30 = 55,464.76 : x
  2. Step 2: Convert to fraction form
    188,580.16/282,915.30 = 55,464.76/x
  3. Step 3: Cross multiply
    188,580.16x = 282,915.30 × 55,464.76
  4. Step 4: Simplify right side
    188,580.16x = 15,691,829,214.83
  5. Step 5: Solve for x
    x = 15,691,829,214.83/188,580.16
  6. Step 6: Final answer
    x = 83,210.39

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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.