Home / 144,749.94-199,852.43-90,384.90

Finding the Fourth Proportional to 144,749.94, 199,852.43 and 90,384.90

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Solution

The fourth proportional to 144,749.94, 199,852.43 and 90,384.90 is: 124,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,749.94 : 199,852.43 = 90,384.90 : x
  2. Step 2: Convert to fraction form
    144,749.94/199,852.43 = 90,384.90/x
  3. Step 3: Cross multiply
    144,749.94x = 199,852.43 × 90,384.90
  4. Step 4: Simplify right side
    144,749.94x = 18,063,641,900.31
  5. Step 5: Solve for x
    x = 18,063,641,900.31/144,749.94
  6. Step 6: Final answer
    x = 124,792.05

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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.