Home / 144,480.32-199,337.66-87,137.18

Finding the Fourth Proportional to 144,480.32, 199,337.66 and 87,137.18

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Solution

The fourth proportional to 144,480.32, 199,337.66 and 87,137.18 is: 120,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,480.32 : 199,337.66 = 87,137.18 : x
  2. Step 2: Convert to fraction form
    144,480.32/199,337.66 = 87,137.18/x
  3. Step 3: Cross multiply
    144,480.32x = 199,337.66 × 87,137.18
  4. Step 4: Simplify right side
    144,480.32x = 17,369,722,323.38
  5. Step 5: Solve for x
    x = 17,369,722,323.38/144,480.32
  6. Step 6: Final answer
    x = 120,222.06

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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.