Home / 190,825.20-286,007.40-97,282.80

Finding the Fourth Proportional to 190,825.20, 286,007.40 and 97,282.80

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Solution

The fourth proportional to 190,825.20, 286,007.40 and 97,282.80 is: 145,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,825.20 : 286,007.40 = 97,282.80 : x
  2. Step 2: Convert to fraction form
    190,825.20/286,007.40 = 97,282.80/x
  3. Step 3: Cross multiply
    190,825.20x = 286,007.40 × 97,282.80
  4. Step 4: Simplify right side
    190,825.20x = 27,823,600,692.72
  5. Step 5: Solve for x
    x = 27,823,600,692.72/190,825.20
  6. Step 6: Final answer
    x = 145,806.74

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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.