Home / 255,323.96-352,347.06-142,173.40

Finding the Fourth Proportional to 255,323.96, 352,347.06 and 142,173.40

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Solution

The fourth proportional to 255,323.96, 352,347.06 and 142,173.40 is: 196,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.96 : 352,347.06 = 142,173.40 : x
  2. Step 2: Convert to fraction form
    255,323.96/352,347.06 = 142,173.40/x
  3. Step 3: Cross multiply
    255,323.96x = 352,347.06 × 142,173.40
  4. Step 4: Simplify right side
    255,323.96x = 50,094,379,500.20
  5. Step 5: Solve for x
    x = 50,094,379,500.20/255,323.96
  6. Step 6: Final answer
    x = 196,199.29

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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.