Home / 248,790.60-343,331.02-135,613.34

Finding the Fourth Proportional to 248,790.60, 343,331.02 and 135,613.34

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Solution

The fourth proportional to 248,790.60, 343,331.02 and 135,613.34 is: 187,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,790.60 : 343,331.02 = 135,613.34 : x
  2. Step 2: Convert to fraction form
    248,790.60/343,331.02 = 135,613.34/x
  3. Step 3: Cross multiply
    248,790.60x = 343,331.02 × 135,613.34
  4. Step 4: Simplify right side
    248,790.60x = 46,560,266,347.81
  5. Step 5: Solve for x
    x = 46,560,266,347.81/248,790.60
  6. Step 6: Final answer
    x = 187,146.40

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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.