Home / 258,550.56-387,533.16-131,835.24

Finding the Fourth Proportional to 258,550.56, 387,533.16 and 131,835.24

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Solution

The fourth proportional to 258,550.56, 387,533.16 and 131,835.24 is: 197,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,550.56 : 387,533.16 = 131,835.24 : x
  2. Step 2: Convert to fraction form
    258,550.56/387,533.16 = 131,835.24/x
  3. Step 3: Cross multiply
    258,550.56x = 387,533.16 × 131,835.24
  4. Step 4: Simplify right side
    258,550.56x = 51,090,527,156.56
  5. Step 5: Solve for x
    x = 51,090,527,156.56/258,550.56
  6. Step 6: Final answer
    x = 197,603.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.