Home / 144,608.32-199,557.40-80,071.40

Finding the Fourth Proportional to 144,608.32, 199,557.40 and 80,071.40

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Solution

The fourth proportional to 144,608.32, 199,557.40 and 80,071.40 is: 110,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,608.32 : 199,557.40 = 80,071.40 : x
  2. Step 2: Convert to fraction form
    144,608.32/199,557.40 = 80,071.40/x
  3. Step 3: Cross multiply
    144,608.32x = 199,557.40 × 80,071.40
  4. Step 4: Simplify right side
    144,608.32x = 15,978,840,398.36
  5. Step 5: Solve for x
    x = 15,978,840,398.36/144,608.32
  6. Step 6: Final answer
    x = 110,497.38

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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.