Home / 188,237.28-259,775.92-112,784.16

Finding the Fourth Proportional to 188,237.28, 259,775.92 and 112,784.16

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Solution

The fourth proportional to 188,237.28, 259,775.92 and 112,784.16 is: 155,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,237.28 : 259,775.92 = 112,784.16 : x
  2. Step 2: Convert to fraction form
    188,237.28/259,775.92 = 112,784.16/x
  3. Step 3: Cross multiply
    188,237.28x = 259,775.92 × 112,784.16
  4. Step 4: Simplify right side
    188,237.28x = 29,298,608,925.43
  5. Step 5: Solve for x
    x = 29,298,608,925.43/188,237.28
  6. Step 6: Final answer
    x = 155,647.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.