Home / 144,865.74-199,475.01-128,497.80

Finding the Fourth Proportional to 144,865.74, 199,475.01 and 128,497.80

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Solution

The fourth proportional to 144,865.74, 199,475.01 and 128,497.80 is: 176,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.74 : 199,475.01 = 128,497.80 : x
  2. Step 2: Convert to fraction form
    144,865.74/199,475.01 = 128,497.80/x
  3. Step 3: Cross multiply
    144,865.74x = 199,475.01 × 128,497.80
  4. Step 4: Simplify right side
    144,865.74x = 25,632,099,939.98
  5. Step 5: Solve for x
    x = 25,632,099,939.98/144,865.74
  6. Step 6: Final answer
    x = 176,936.93

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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.