Home / 149,257.20-223,885.80-140,703.60

Finding the Fourth Proportional to 149,257.20, 223,885.80 and 140,703.60

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Solution

The fourth proportional to 149,257.20, 223,885.80 and 140,703.60 is: 211,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,257.20 : 223,885.80 = 140,703.60 : x
  2. Step 2: Convert to fraction form
    149,257.20/223,885.80 = 140,703.60/x
  3. Step 3: Cross multiply
    149,257.20x = 223,885.80 × 140,703.60
  4. Step 4: Simplify right side
    149,257.20x = 31,501,538,048.88
  5. Step 5: Solve for x
    x = 31,501,538,048.88/149,257.20
  6. Step 6: Final answer
    x = 211,055.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.