Home / 149,686.20-223,881.30-134,004.60

Finding the Fourth Proportional to 149,686.20, 223,881.30 and 134,004.60

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Solution

The fourth proportional to 149,686.20, 223,881.30 and 134,004.60 is: 200,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,686.20 : 223,881.30 = 134,004.60 : x
  2. Step 2: Convert to fraction form
    149,686.20/223,881.30 = 134,004.60/x
  3. Step 3: Cross multiply
    149,686.20x = 223,881.30 × 134,004.60
  4. Step 4: Simplify right side
    149,686.20x = 30,001,124,053.98
  5. Step 5: Solve for x
    x = 30,001,124,053.98/149,686.20
  6. Step 6: Final answer
    x = 200,426.79

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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.