Home / 155,216.86-214,029.75-104,828.38

Finding the Fourth Proportional to 155,216.86, 214,029.75 and 104,828.38

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Solution

The fourth proportional to 155,216.86, 214,029.75 and 104,828.38 is: 144,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,216.86 : 214,029.75 = 104,828.38 : x
  2. Step 2: Convert to fraction form
    155,216.86/214,029.75 = 104,828.38/x
  3. Step 3: Cross multiply
    155,216.86x = 214,029.75 × 104,828.38
  4. Step 4: Simplify right side
    155,216.86x = 22,436,391,964.31
  5. Step 5: Solve for x
    x = 22,436,391,964.31/155,216.86
  6. Step 6: Final answer
    x = 144,548.68

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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.