Home / 256,741.87-354,296.28-142,025.08

Finding the Fourth Proportional to 256,741.87, 354,296.28 and 142,025.08

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Solution

The fourth proportional to 256,741.87, 354,296.28 and 142,025.08 is: 195,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,741.87 : 354,296.28 = 142,025.08 : x
  2. Step 2: Convert to fraction form
    256,741.87/354,296.28 = 142,025.08/x
  3. Step 3: Cross multiply
    256,741.87x = 354,296.28 × 142,025.08
  4. Step 4: Simplify right side
    256,741.87x = 50,318,957,510.70
  5. Step 5: Solve for x
    x = 50,318,957,510.70/256,741.87
  6. Step 6: Final answer
    x = 195,990.46

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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.