Home / 188,317.17-282,478.05-55,200.12

Finding the Fourth Proportional to 188,317.17, 282,478.05 and 55,200.12

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Solution

The fourth proportional to 188,317.17, 282,478.05 and 55,200.12 is: 82,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,317.17 : 282,478.05 = 55,200.12 : x
  2. Step 2: Convert to fraction form
    188,317.17/282,478.05 = 55,200.12/x
  3. Step 3: Cross multiply
    188,317.17x = 282,478.05 × 55,200.12
  4. Step 4: Simplify right side
    188,317.17x = 15,592,822,257.37
  5. Step 5: Solve for x
    x = 15,592,822,257.37/188,317.17
  6. Step 6: Final answer
    x = 82,800.85

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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.