Home / 149,323.65-223,991.96-69,436.59

Finding the Fourth Proportional to 149,323.65, 223,991.96 and 69,436.59

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Solution

The fourth proportional to 149,323.65, 223,991.96 and 69,436.59 is: 104,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,323.65 : 223,991.96 = 69,436.59 : x
  2. Step 2: Convert to fraction form
    149,323.65/223,991.96 = 69,436.59/x
  3. Step 3: Cross multiply
    149,323.65x = 223,991.96 × 69,436.59
  4. Step 4: Simplify right side
    149,323.65x = 15,553,237,542.63
  5. Step 5: Solve for x
    x = 15,553,237,542.63/149,323.65
  6. Step 6: Final answer
    x = 104,157.90

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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.