Home / 262,117.22-393,099.75-102,157.47

Finding the Fourth Proportional to 262,117.22, 393,099.75 and 102,157.47

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Solution

The fourth proportional to 262,117.22, 393,099.75 and 102,157.47 is: 153,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,117.22 : 393,099.75 = 102,157.47 : x
  2. Step 2: Convert to fraction form
    262,117.22/393,099.75 = 102,157.47/x
  3. Step 3: Cross multiply
    262,117.22x = 393,099.75 × 102,157.47
  4. Step 4: Simplify right side
    262,117.22x = 40,158,075,917.63
  5. Step 5: Solve for x
    x = 40,158,075,917.63/262,117.22
  6. Step 6: Final answer
    x = 153,206.56

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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.