Home / 151,320.32-208,847.02-115,442.60

Finding the Fourth Proportional to 151,320.32, 208,847.02 and 115,442.60

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Solution

The fourth proportional to 151,320.32, 208,847.02 and 115,442.60 is: 159,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,320.32 : 208,847.02 = 115,442.60 : x
  2. Step 2: Convert to fraction form
    151,320.32/208,847.02 = 115,442.60/x
  3. Step 3: Cross multiply
    151,320.32x = 208,847.02 × 115,442.60
  4. Step 4: Simplify right side
    151,320.32x = 24,109,842,991.05
  5. Step 5: Solve for x
    x = 24,109,842,991.05/151,320.32
  6. Step 6: Final answer
    x = 159,329.84

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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.