Home / 105,727.14-145,890.01-60,408.06

Finding the Fourth Proportional to 105,727.14, 145,890.01 and 60,408.06

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Solution

The fourth proportional to 105,727.14, 145,890.01 and 60,408.06 is: 83,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,727.14 : 145,890.01 = 60,408.06 : x
  2. Step 2: Convert to fraction form
    105,727.14/145,890.01 = 60,408.06/x
  3. Step 3: Cross multiply
    105,727.14x = 145,890.01 × 60,408.06
  4. Step 4: Simplify right side
    105,727.14x = 8,812,931,597.01
  5. Step 5: Solve for x
    x = 8,812,931,597.01/105,727.14
  6. Step 6: Final answer
    x = 83,355.44

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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.