Home / 245,018.93-338,115.67-143,050.05

Finding the Fourth Proportional to 245,018.93, 338,115.67 and 143,050.05

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Solution

The fourth proportional to 245,018.93, 338,115.67 and 143,050.05 is: 197,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,018.93 : 338,115.67 = 143,050.05 : x
  2. Step 2: Convert to fraction form
    245,018.93/338,115.67 = 143,050.05/x
  3. Step 3: Cross multiply
    245,018.93x = 338,115.67 × 143,050.05
  4. Step 4: Simplify right side
    245,018.93x = 48,367,463,141.66
  5. Step 5: Solve for x
    x = 48,367,463,141.66/245,018.93
  6. Step 6: Final answer
    x = 197,402.97

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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.