Home / 228,496.08-315,226.89-137,800.47

Finding the Fourth Proportional to 228,496.08, 315,226.89 and 137,800.47

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Solution

The fourth proportional to 228,496.08, 315,226.89 and 137,800.47 is: 190,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,496.08 : 315,226.89 = 137,800.47 : x
  2. Step 2: Convert to fraction form
    228,496.08/315,226.89 = 137,800.47/x
  3. Step 3: Cross multiply
    228,496.08x = 315,226.89 × 137,800.47
  4. Step 4: Simplify right side
    228,496.08x = 43,438,413,598.64
  5. Step 5: Solve for x
    x = 43,438,413,598.64/228,496.08
  6. Step 6: Final answer
    x = 190,105.73

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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.