Home / 248,320.28-342,675.42-135,140.60

Finding the Fourth Proportional to 248,320.28, 342,675.42 and 135,140.60

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Solution

The fourth proportional to 248,320.28, 342,675.42 and 135,140.60 is: 186,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,320.28 : 342,675.42 = 135,140.60 : x
  2. Step 2: Convert to fraction form
    248,320.28/342,675.42 = 135,140.60/x
  3. Step 3: Cross multiply
    248,320.28x = 342,675.42 × 135,140.60
  4. Step 4: Simplify right side
    248,320.28x = 46,309,361,864.05
  5. Step 5: Solve for x
    x = 46,309,361,864.05/248,320.28
  6. Step 6: Final answer
    x = 186,490.45

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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.