Home / 149,309.01-223,853.72-70,380.45

Finding the Fourth Proportional to 149,309.01, 223,853.72 and 70,380.45

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Solution

The fourth proportional to 149,309.01, 223,853.72 and 70,380.45 is: 105,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,309.01 : 223,853.72 = 70,380.45 : x
  2. Step 2: Convert to fraction form
    149,309.01/223,853.72 = 70,380.45/x
  3. Step 3: Cross multiply
    149,309.01x = 223,853.72 × 70,380.45
  4. Step 4: Simplify right side
    149,309.01x = 15,754,925,195.87
  5. Step 5: Solve for x
    x = 15,754,925,195.87/149,309.01
  6. Step 6: Final answer
    x = 105,518.92

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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.