Home / 144,619.94-199,551.79-90,866.89

Finding the Fourth Proportional to 144,619.94, 199,551.79 and 90,866.89

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Solution

The fourth proportional to 144,619.94, 199,551.79 and 90,866.89 is: 125,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.94 : 199,551.79 = 90,866.89 : x
  2. Step 2: Convert to fraction form
    144,619.94/199,551.79 = 90,866.89/x
  3. Step 3: Cross multiply
    144,619.94x = 199,551.79 × 90,866.89
  4. Step 4: Simplify right side
    144,619.94x = 18,132,650,096.90
  5. Step 5: Solve for x
    x = 18,132,650,096.90/144,619.94
  6. Step 6: Final answer
    x = 125,381.40

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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.