Home / 149,340.29-223,975.05-42,720.96

Finding the Fourth Proportional to 149,340.29, 223,975.05 and 42,720.96

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Solution

The fourth proportional to 149,340.29, 223,975.05 and 42,720.96 is: 64,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,340.29 : 223,975.05 = 42,720.96 : x
  2. Step 2: Convert to fraction form
    149,340.29/223,975.05 = 42,720.96/x
  3. Step 3: Cross multiply
    149,340.29x = 223,975.05 × 42,720.96
  4. Step 4: Simplify right side
    149,340.29x = 9,568,429,152.05
  5. Step 5: Solve for x
    x = 9,568,429,152.05/149,340.29
  6. Step 6: Final answer
    x = 64,071.32

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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.