Home / 190,344.47-285,406.03-72,024.95

Finding the Fourth Proportional to 190,344.47, 285,406.03 and 72,024.95

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Solution

The fourth proportional to 190,344.47, 285,406.03 and 72,024.95 is: 107,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,344.47 : 285,406.03 = 72,024.95 : x
  2. Step 2: Convert to fraction form
    190,344.47/285,406.03 = 72,024.95/x
  3. Step 3: Cross multiply
    190,344.47x = 285,406.03 × 72,024.95
  4. Step 4: Simplify right side
    190,344.47x = 20,556,355,040.45
  5. Step 5: Solve for x
    x = 20,556,355,040.45/190,344.47
  6. Step 6: Final answer
    x = 107,995.55

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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.