Home / 144,695.98-199,681.83-80,166.58

Finding the Fourth Proportional to 144,695.98, 199,681.83 and 80,166.58

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Solution

The fourth proportional to 144,695.98, 199,681.83 and 80,166.58 is: 110,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,695.98 : 199,681.83 = 80,166.58 : x
  2. Step 2: Convert to fraction form
    144,695.98/199,681.83 = 80,166.58/x
  3. Step 3: Cross multiply
    144,695.98x = 199,681.83 × 80,166.58
  4. Step 4: Simplify right side
    144,695.98x = 16,007,809,399.24
  5. Step 5: Solve for x
    x = 16,007,809,399.24/144,695.98
  6. Step 6: Final answer
    x = 110,630.64

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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.