Home / 109,243.74-150,750.63-61,495.50

Finding the Fourth Proportional to 109,243.74, 150,750.63 and 61,495.50

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Solution

The fourth proportional to 109,243.74, 150,750.63 and 61,495.50 is: 84,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,243.74 : 150,750.63 = 61,495.50 : x
  2. Step 2: Convert to fraction form
    109,243.74/150,750.63 = 61,495.50/x
  3. Step 3: Cross multiply
    109,243.74x = 150,750.63 × 61,495.50
  4. Step 4: Simplify right side
    109,243.74x = 9,270,485,367.17
  5. Step 5: Solve for x
    x = 9,270,485,367.17/109,243.74
  6. Step 6: Final answer
    x = 84,860.56

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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.