Home / 261,935.10-393,075.45-95,723.10

Finding the Fourth Proportional to 261,935.10, 393,075.45 and 95,723.10

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Solution

The fourth proportional to 261,935.10, 393,075.45 and 95,723.10 is: 143,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,935.10 : 393,075.45 = 95,723.10 : x
  2. Step 2: Convert to fraction form
    261,935.10/393,075.45 = 95,723.10/x
  3. Step 3: Cross multiply
    261,935.10x = 393,075.45 × 95,723.10
  4. Step 4: Simplify right side
    261,935.10x = 37,626,400,607.90
  5. Step 5: Solve for x
    x = 37,626,400,607.90/261,935.10
  6. Step 6: Final answer
    x = 143,647.80

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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.