Home / 103,174.02-142,410.54-67,369.56

Finding the Fourth Proportional to 103,174.02, 142,410.54 and 67,369.56

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Solution

The fourth proportional to 103,174.02, 142,410.54 and 67,369.56 is: 92,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,174.02 : 142,410.54 = 67,369.56 : x
  2. Step 2: Convert to fraction form
    103,174.02/142,410.54 = 67,369.56/x
  3. Step 3: Cross multiply
    103,174.02x = 142,410.54 × 67,369.56
  4. Step 4: Simplify right side
    103,174.02x = 9,594,135,419.16
  5. Step 5: Solve for x
    x = 9,594,135,419.16/103,174.02
  6. Step 6: Final answer
    x = 92,989.84

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1.5x scale

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.