Home / 245,110.70-338,200.29-143,089.86

Finding the Fourth Proportional to 245,110.70, 338,200.29 and 143,089.86

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Solution

The fourth proportional to 245,110.70, 338,200.29 and 143,089.86 is: 197,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,110.70 : 338,200.29 = 143,089.86 : x
  2. Step 2: Convert to fraction form
    245,110.70/338,200.29 = 143,089.86/x
  3. Step 3: Cross multiply
    245,110.70x = 338,200.29 × 143,089.86
  4. Step 4: Simplify right side
    245,110.70x = 48,393,032,148.06
  5. Step 5: Solve for x
    x = 48,393,032,148.06/245,110.70
  6. Step 6: Final answer
    x = 197,433.37

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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.