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Finding the Fourth Proportional to 144,445.10, 199,334.08 and 80,782.90

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Solution

The fourth proportional to 144,445.10, 199,334.08 and 80,782.90 is: 111,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,445.10 : 199,334.08 = 80,782.90 : x
  2. Step 2: Convert to fraction form
    144,445.10/199,334.08 = 80,782.90/x
  3. Step 3: Cross multiply
    144,445.10x = 199,334.08 × 80,782.90
  4. Step 4: Simplify right side
    144,445.10x = 16,102,785,051.23
  5. Step 5: Solve for x
    x = 16,102,785,051.23/144,445.10
  6. Step 6: Final answer
    x = 111,480.31

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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.