Home / 228,172.80-314,890.26-131,391.02

Finding the Fourth Proportional to 228,172.80, 314,890.26 and 131,391.02

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Solution

The fourth proportional to 228,172.80, 314,890.26 and 131,391.02 is: 181,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,172.80 : 314,890.26 = 131,391.02 : x
  2. Step 2: Convert to fraction form
    228,172.80/314,890.26 = 131,391.02/x
  3. Step 3: Cross multiply
    228,172.80x = 314,890.26 × 131,391.02
  4. Step 4: Simplify right side
    228,172.80x = 41,373,752,449.47
  5. Step 5: Solve for x
    x = 41,373,752,449.47/228,172.80
  6. Step 6: Final answer
    x = 181,326.40

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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.