Home / 258,150.16-356,242.56-143,429.32

Finding the Fourth Proportional to 258,150.16, 356,242.56 and 143,429.32

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Solution

The fourth proportional to 258,150.16, 356,242.56 and 143,429.32 is: 197,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,150.16 : 356,242.56 = 143,429.32 : x
  2. Step 2: Convert to fraction form
    258,150.16/356,242.56 = 143,429.32/x
  3. Step 3: Cross multiply
    258,150.16x = 356,242.56 × 143,429.32
  4. Step 4: Simplify right side
    258,150.16x = 51,095,628,135.86
  5. Step 5: Solve for x
    x = 51,095,628,135.86/258,150.16
  6. Step 6: Final answer
    x = 197,929.87

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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.