Home / 129,342.02-178,442.39-95,431.37

Finding the Fourth Proportional to 129,342.02, 178,442.39 and 95,431.37

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Solution

The fourth proportional to 129,342.02, 178,442.39 and 95,431.37 is: 131,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,342.02 : 178,442.39 = 95,431.37 : x
  2. Step 2: Convert to fraction form
    129,342.02/178,442.39 = 95,431.37/x
  3. Step 3: Cross multiply
    129,342.02x = 178,442.39 × 95,431.37
  4. Step 4: Simplify right side
    129,342.02x = 17,029,001,090.14
  5. Step 5: Solve for x
    x = 17,029,001,090.14/129,342.02
  6. Step 6: Final answer
    x = 131,658.70

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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.