Home / 149,053.18-223,317.32-140,173.96

Finding the Fourth Proportional to 149,053.18, 223,317.32 and 140,173.96

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Solution

The fourth proportional to 149,053.18, 223,317.32 and 140,173.96 is: 210,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,053.18 : 223,317.32 = 140,173.96 : x
  2. Step 2: Convert to fraction form
    149,053.18/223,317.32 = 140,173.96/x
  3. Step 3: Cross multiply
    149,053.18x = 223,317.32 × 140,173.96
  4. Step 4: Simplify right side
    149,053.18x = 31,303,273,080.99
  5. Step 5: Solve for x
    x = 31,303,273,080.99/149,053.18
  6. Step 6: Final answer
    x = 210,014.12

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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.