Home / 245,025.94-338,125.32-143,057.05

Finding the Fourth Proportional to 245,025.94, 338,125.32 and 143,057.05

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Solution

The fourth proportional to 245,025.94, 338,125.32 and 143,057.05 is: 197,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,025.94 : 338,125.32 = 143,057.05 : x
  2. Step 2: Convert to fraction form
    245,025.94/338,125.32 = 143,057.05/x
  3. Step 3: Cross multiply
    245,025.94x = 338,125.32 × 143,057.05
  4. Step 4: Simplify right side
    245,025.94x = 48,371,210,809.51
  5. Step 5: Solve for x
    x = 48,371,210,809.51/245,025.94
  6. Step 6: Final answer
    x = 197,412.61

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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.