Home / 149,019.90-223,529.85-132,690.30

Finding the Fourth Proportional to 149,019.90, 223,529.85 and 132,690.30

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Solution

The fourth proportional to 149,019.90, 223,529.85 and 132,690.30 is: 199,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,019.90 : 223,529.85 = 132,690.30 : x
  2. Step 2: Convert to fraction form
    149,019.90/223,529.85 = 132,690.30/x
  3. Step 3: Cross multiply
    149,019.90x = 223,529.85 × 132,690.30
  4. Step 4: Simplify right side
    149,019.90x = 29,660,242,855.46
  5. Step 5: Solve for x
    x = 29,660,242,855.46/149,019.90
  6. Step 6: Final answer
    x = 199,035.45

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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.