Home / 149,148.96-223,589.88-54,312.24

Finding the Fourth Proportional to 149,148.96, 223,589.88 and 54,312.24

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Solution

The fourth proportional to 149,148.96, 223,589.88 and 54,312.24 is: 81,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,148.96 : 223,589.88 = 54,312.24 : x
  2. Step 2: Convert to fraction form
    149,148.96/223,589.88 = 54,312.24/x
  3. Step 3: Cross multiply
    149,148.96x = 223,589.88 × 54,312.24
  4. Step 4: Simplify right side
    149,148.96x = 12,143,667,224.13
  5. Step 5: Solve for x
    x = 12,143,667,224.13/149,148.96
  6. Step 6: Final answer
    x = 81,419.72

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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.