Home / 144,291.84-199,123.74-80,632.32

Finding the Fourth Proportional to 144,291.84, 199,123.74 and 80,632.32

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Solution

The fourth proportional to 144,291.84, 199,123.74 and 80,632.32 is: 111,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,291.84 : 199,123.74 = 80,632.32 : x
  2. Step 2: Convert to fraction form
    144,291.84/199,123.74 = 80,632.32/x
  3. Step 3: Cross multiply
    144,291.84x = 199,123.74 × 80,632.32
  4. Step 4: Simplify right side
    144,291.84x = 16,055,809,123.28
  5. Step 5: Solve for x
    x = 16,055,809,123.28/144,291.84
  6. Step 6: Final answer
    x = 111,273.16

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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.