Home / 255,238.83-352,223.55-142,059.15

Finding the Fourth Proportional to 255,238.83, 352,223.55 and 142,059.15

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Solution

The fourth proportional to 255,238.83, 352,223.55 and 142,059.15 is: 196,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,238.83 : 352,223.55 = 142,059.15 : x
  2. Step 2: Convert to fraction form
    255,238.83/352,223.55 = 142,059.15/x
  3. Step 3: Cross multiply
    255,238.83x = 352,223.55 × 142,059.15
  4. Step 4: Simplify right side
    255,238.83x = 50,036,578,122.98
  5. Step 5: Solve for x
    x = 50,036,578,122.98/255,238.83
  6. Step 6: Final answer
    x = 196,038.27

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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.