Home / 149,461.34-223,201.32-131,352.98

Finding the Fourth Proportional to 149,461.34, 223,201.32 and 131,352.98

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Solution

The fourth proportional to 149,461.34, 223,201.32 and 131,352.98 is: 196,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,461.34 : 223,201.32 = 131,352.98 : x
  2. Step 2: Convert to fraction form
    149,461.34/223,201.32 = 131,352.98/x
  3. Step 3: Cross multiply
    149,461.34x = 223,201.32 × 131,352.98
  4. Step 4: Simplify right side
    149,461.34x = 29,318,158,521.93
  5. Step 5: Solve for x
    x = 29,318,158,521.93/149,461.34
  6. Step 6: Final answer
    x = 196,158.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.