Home / 248,560.12-343,016.72-135,382.76

Finding the Fourth Proportional to 248,560.12, 343,016.72 and 135,382.76

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Solution

The fourth proportional to 248,560.12, 343,016.72 and 135,382.76 is: 186,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,560.12 : 343,016.72 = 135,382.76 : x
  2. Step 2: Convert to fraction form
    248,560.12/343,016.72 = 135,382.76/x
  3. Step 3: Cross multiply
    248,560.12x = 343,016.72 × 135,382.76
  4. Step 4: Simplify right side
    248,560.12x = 46,438,550,279.75
  5. Step 5: Solve for x
    x = 46,438,550,279.75/248,560.12
  6. Step 6: Final answer
    x = 186,830.25

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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.