Home / 109,356.73-150,926.03-61,621.45

Finding the Fourth Proportional to 109,356.73, 150,926.03 and 61,621.45

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Solution

The fourth proportional to 109,356.73, 150,926.03 and 61,621.45 is: 85,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,356.73 : 150,926.03 = 61,621.45 : x
  2. Step 2: Convert to fraction form
    109,356.73/150,926.03 = 61,621.45/x
  3. Step 3: Cross multiply
    109,356.73x = 150,926.03 × 61,621.45
  4. Step 4: Simplify right side
    109,356.73x = 9,300,280,503.24
  5. Step 5: Solve for x
    x = 9,300,280,503.24/109,356.73
  6. Step 6: Final answer
    x = 85,045.34

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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.