Home / 190,268.23-262,746.63-142,438.54

Finding the Fourth Proportional to 190,268.23, 262,746.63 and 142,438.54

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Solution

The fourth proportional to 190,268.23, 262,746.63 and 142,438.54 is: 196,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,268.23 : 262,746.63 = 142,438.54 : x
  2. Step 2: Convert to fraction form
    190,268.23/262,746.63 = 142,438.54/x
  3. Step 3: Cross multiply
    190,268.23x = 262,746.63 × 142,438.54
  4. Step 4: Simplify right side
    190,268.23x = 37,425,246,367.12
  5. Step 5: Solve for x
    x = 37,425,246,367.12/190,268.23
  6. Step 6: Final answer
    x = 196,697.30

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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.