Home / 144,358.10-199,218.59-80,698.58

Finding the Fourth Proportional to 144,358.10, 199,218.59 and 80,698.58

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Solution

The fourth proportional to 144,358.10, 199,218.59 and 80,698.58 is: 111,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,358.10 : 199,218.59 = 80,698.58 : x
  2. Step 2: Convert to fraction form
    144,358.10/199,218.59 = 80,698.58/x
  3. Step 3: Cross multiply
    144,358.10x = 199,218.59 × 80,698.58
  4. Step 4: Simplify right side
    144,358.10x = 16,076,657,322.60
  5. Step 5: Solve for x
    x = 16,076,657,322.60/144,358.10
  6. Step 6: Final answer
    x = 111,366.51

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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.