Home / 145,976.64-218,963.60-46,136.86

Finding the Fourth Proportional to 145,976.64, 218,963.60 and 46,136.86

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Solution

The fourth proportional to 145,976.64, 218,963.60 and 46,136.86 is: 69,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.64 : 218,963.60 = 46,136.86 : x
  2. Step 2: Convert to fraction form
    145,976.64/218,963.60 = 46,136.86/x
  3. Step 3: Cross multiply
    145,976.64x = 218,963.60 × 46,136.86
  4. Step 4: Simplify right side
    145,976.64x = 10,102,292,958.30
  5. Step 5: Solve for x
    x = 10,102,292,958.30/145,976.64
  6. Step 6: Final answer
    x = 69,204.86

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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.