Home / 103,007.72-142,164.77-62,173.96

Finding the Fourth Proportional to 103,007.72, 142,164.77 and 62,173.96

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Solution

The fourth proportional to 103,007.72, 142,164.77 and 62,173.96 is: 85,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,007.72 : 142,164.77 = 62,173.96 : x
  2. Step 2: Convert to fraction form
    103,007.72/142,164.77 = 62,173.96/x
  3. Step 3: Cross multiply
    103,007.72x = 142,164.77 × 62,173.96
  4. Step 4: Simplify right side
    103,007.72x = 8,838,946,057.11
  5. Step 5: Solve for x
    x = 8,838,946,057.11/103,007.72
  6. Step 6: Final answer
    x = 85,808.58

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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.