Home / 250,507.42-345,693.09-143,075.23

Finding the Fourth Proportional to 250,507.42, 345,693.09 and 143,075.23

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Solution

The fourth proportional to 250,507.42, 345,693.09 and 143,075.23 is: 197,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,507.42 : 345,693.09 = 143,075.23 : x
  2. Step 2: Convert to fraction form
    250,507.42/345,693.09 = 143,075.23/x
  3. Step 3: Cross multiply
    250,507.42x = 345,693.09 × 143,075.23
  4. Step 4: Simplify right side
    250,507.42x = 49,460,118,361.16
  5. Step 5: Solve for x
    x = 49,460,118,361.16/250,507.42
  6. Step 6: Final answer
    x = 197,439.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.