Home / 144,495.32-199,407.68-80,833.36

Finding the Fourth Proportional to 144,495.32, 199,407.68 and 80,833.36

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Solution

The fourth proportional to 144,495.32, 199,407.68 and 80,833.36 is: 111,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,495.32 : 199,407.68 = 80,833.36 : x
  2. Step 2: Convert to fraction form
    144,495.32/199,407.68 = 80,833.36/x
  3. Step 3: Cross multiply
    144,495.32x = 199,407.68 × 80,833.36
  4. Step 4: Simplify right side
    144,495.32x = 16,118,792,784.20
  5. Step 5: Solve for x
    x = 16,118,792,784.20/144,495.32
  6. Step 6: Final answer
    x = 111,552.35

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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.