Home / 149,161.37-223,537.52-78,900.35

Finding the Fourth Proportional to 149,161.37, 223,537.52 and 78,900.35

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Solution

The fourth proportional to 149,161.37, 223,537.52 and 78,900.35 is: 118,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,161.37 : 223,537.52 = 78,900.35 : x
  2. Step 2: Convert to fraction form
    149,161.37/223,537.52 = 78,900.35/x
  3. Step 3: Cross multiply
    149,161.37x = 223,537.52 × 78,900.35
  4. Step 4: Simplify right side
    149,161.37x = 17,637,187,645.70
  5. Step 5: Solve for x
    x = 17,637,187,645.70/149,161.37
  6. Step 6: Final answer
    x = 118,242.33

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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.