Home / 105,468.08-145,538.64-60,147.97

Finding the Fourth Proportional to 105,468.08, 145,538.64 and 60,147.97

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Solution

The fourth proportional to 105,468.08, 145,538.64 and 60,147.97 is: 83,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,468.08 : 145,538.64 = 60,147.97 : x
  2. Step 2: Convert to fraction form
    105,468.08/145,538.64 = 60,147.97/x
  3. Step 3: Cross multiply
    105,468.08x = 145,538.64 × 60,147.97
  4. Step 4: Simplify right side
    105,468.08x = 8,753,853,388.71
  5. Step 5: Solve for x
    x = 8,753,853,388.71/105,468.08
  6. Step 6: Final answer
    x = 83,000.03

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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.