Home / 190,346.75-285,523.36-72,073.79

Finding the Fourth Proportional to 190,346.75, 285,523.36 and 72,073.79

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Solution

The fourth proportional to 190,346.75, 285,523.36 and 72,073.79 is: 108,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,346.75 : 285,523.36 = 72,073.79 : x
  2. Step 2: Convert to fraction form
    190,346.75/285,523.36 = 72,073.79/x
  3. Step 3: Cross multiply
    190,346.75x = 285,523.36 × 72,073.79
  4. Step 4: Simplify right side
    190,346.75x = 20,578,750,688.73
  5. Step 5: Solve for x
    x = 20,578,750,688.73/190,346.75
  6. Step 6: Final answer
    x = 108,111.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.