Home / 144,305.60-199,203.04-87,735.04

Finding the Fourth Proportional to 144,305.60, 199,203.04 and 87,735.04

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Solution

The fourth proportional to 144,305.60, 199,203.04 and 87,735.04 is: 121,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,305.60 : 199,203.04 = 87,735.04 : x
  2. Step 2: Convert to fraction form
    144,305.60/199,203.04 = 87,735.04/x
  3. Step 3: Cross multiply
    144,305.60x = 199,203.04 × 87,735.04
  4. Step 4: Simplify right side
    144,305.60x = 17,477,086,682.52
  5. Step 5: Solve for x
    x = 17,477,086,682.52/144,305.60
  6. Step 6: Final answer
    x = 121,111.63

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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.