Home / 188,345.72-282,557.46-55,230.20

Finding the Fourth Proportional to 188,345.72, 282,557.46 and 55,230.20

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Solution

The fourth proportional to 188,345.72, 282,557.46 and 55,230.20 is: 82,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,345.72 : 282,557.46 = 55,230.20 : x
  2. Step 2: Convert to fraction form
    188,345.72/282,557.46 = 55,230.20/x
  3. Step 3: Cross multiply
    188,345.72x = 282,557.46 × 55,230.20
  4. Step 4: Simplify right side
    188,345.72x = 15,605,705,027.29
  5. Step 5: Solve for x
    x = 15,605,705,027.29/188,345.72
  6. Step 6: Final answer
    x = 82,856.70

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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.