Home / 205,056.32-283,029.28-115,684.16

Finding the Fourth Proportional to 205,056.32, 283,029.28 and 115,684.16

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Solution

The fourth proportional to 205,056.32, 283,029.28 and 115,684.16 is: 159,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,056.32 : 283,029.28 = 115,684.16 : x
  2. Step 2: Convert to fraction form
    205,056.32/283,029.28 = 115,684.16/x
  3. Step 3: Cross multiply
    205,056.32x = 283,029.28 × 115,684.16
  4. Step 4: Simplify right side
    205,056.32x = 32,742,004,512.20
  5. Step 5: Solve for x
    x = 32,742,004,512.20/205,056.32
  6. Step 6: Final answer
    x = 159,673.23

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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.