Home / 262,075.53-393,037.29-102,115.79

Finding the Fourth Proportional to 262,075.53, 393,037.29 and 102,115.79

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Solution

The fourth proportional to 262,075.53, 393,037.29 and 102,115.79 is: 153,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,075.53 : 393,037.29 = 102,115.79 : x
  2. Step 2: Convert to fraction form
    262,075.53/393,037.29 = 102,115.79/x
  3. Step 3: Cross multiply
    262,075.53x = 393,037.29 × 102,115.79
  4. Step 4: Simplify right side
    262,075.53x = 40,135,312,876.51
  5. Step 5: Solve for x
    x = 40,135,312,876.51/262,075.53
  6. Step 6: Final answer
    x = 153,144.07

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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.