Home / 258,962.68-357,378.20-142,680.94

Finding the Fourth Proportional to 258,962.68, 357,378.20 and 142,680.94

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Solution

The fourth proportional to 258,962.68, 357,378.20 and 142,680.94 is: 196,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,962.68 : 357,378.20 = 142,680.94 : x
  2. Step 2: Convert to fraction form
    258,962.68/357,378.20 = 142,680.94/x
  3. Step 3: Cross multiply
    258,962.68x = 357,378.20 × 142,680.94
  4. Step 4: Simplify right side
    258,962.68x = 50,991,056,974.76
  5. Step 5: Solve for x
    x = 50,991,056,974.76/258,962.68
  6. Step 6: Final answer
    x = 196,905.04

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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.