Home / 190,725.80-286,277.02-143,175.56

Finding the Fourth Proportional to 190,725.80, 286,277.02 and 143,175.56

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Solution

The fourth proportional to 190,725.80, 286,277.02 and 143,175.56 is: 214,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,725.80 : 286,277.02 = 143,175.56 : x
  2. Step 2: Convert to fraction form
    190,725.80/286,277.02 = 143,175.56/x
  3. Step 3: Cross multiply
    190,725.80x = 286,277.02 × 143,175.56
  4. Step 4: Simplify right side
    190,725.80x = 40,987,872,653.63
  5. Step 5: Solve for x
    x = 40,987,872,653.63/190,725.80
  6. Step 6: Final answer
    x = 214,904.71

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1.5x scale

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.