Home / 248,612.24-343,081.80-135,432.56

Finding the Fourth Proportional to 248,612.24, 343,081.80 and 135,432.56

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Solution

The fourth proportional to 248,612.24, 343,081.80 and 135,432.56 is: 186,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,612.24 : 343,081.80 = 135,432.56 : x
  2. Step 2: Convert to fraction form
    248,612.24/343,081.80 = 135,432.56/x
  3. Step 3: Cross multiply
    248,612.24x = 343,081.80 × 135,432.56
  4. Step 4: Simplify right side
    248,612.24x = 46,464,446,463.41
  5. Step 5: Solve for x
    x = 46,464,446,463.41/248,612.24
  6. Step 6: Final answer
    x = 186,895.25

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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.