Home / 144,730.76-199,725.48-80,199.45

Finding the Fourth Proportional to 144,730.76, 199,725.48 and 80,199.45

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Solution

The fourth proportional to 144,730.76, 199,725.48 and 80,199.45 is: 110,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,730.76 : 199,725.48 = 80,199.45 : x
  2. Step 2: Convert to fraction form
    144,730.76/199,725.48 = 80,199.45/x
  3. Step 3: Cross multiply
    144,730.76x = 199,725.48 × 80,199.45
  4. Step 4: Simplify right side
    144,730.76x = 16,017,873,646.99
  5. Step 5: Solve for x
    x = 16,017,873,646.99/144,730.76
  6. Step 6: Final answer
    x = 110,673.60

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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.