Home / 190,343.47-285,404.53-72,023.95

Finding the Fourth Proportional to 190,343.47, 285,404.53 and 72,023.95

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Solution

The fourth proportional to 190,343.47, 285,404.53 and 72,023.95 is: 107,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.47 : 285,404.53 = 72,023.95 : x
  2. Step 2: Convert to fraction form
    190,343.47/285,404.53 = 72,023.95/x
  3. Step 3: Cross multiply
    190,343.47x = 285,404.53 × 72,023.95
  4. Step 4: Simplify right side
    190,343.47x = 20,555,961,598.49
  5. Step 5: Solve for x
    x = 20,555,961,598.49/190,343.47
  6. Step 6: Final answer
    x = 107,994.05

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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.