Home / 99,943.23-149,840.73-60,491.10

Finding the Fourth Proportional to 99,943.23, 149,840.73 and 60,491.10

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Solution

The fourth proportional to 99,943.23, 149,840.73 and 60,491.10 is: 90,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943.23 : 149,840.73 = 60,491.10 : x
  2. Step 2: Convert to fraction form
    99,943.23/149,840.73 = 60,491.10/x
  3. Step 3: Cross multiply
    99,943.23x = 149,840.73 × 60,491.10
  4. Step 4: Simplify right side
    99,943.23x = 9,064,030,582.50
  5. Step 5: Solve for x
    x = 9,064,030,582.50/99,943.23
  6. Step 6: Final answer
    x = 90,691.79

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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.