Home / 129,490.47-178,683.98-95,517.32

Finding the Fourth Proportional to 129,490.47, 178,683.98 and 95,517.32

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Solution

The fourth proportional to 129,490.47, 178,683.98 and 95,517.32 is: 131,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,490.47 : 178,683.98 = 95,517.32 : x
  2. Step 2: Convert to fraction form
    129,490.47/178,683.98 = 95,517.32/x
  3. Step 3: Cross multiply
    129,490.47x = 178,683.98 × 95,517.32
  4. Step 4: Simplify right side
    129,490.47x = 17,067,413,525.53
  5. Step 5: Solve for x
    x = 17,067,413,525.53/129,490.47
  6. Step 6: Final answer
    x = 131,804.40

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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.