Home / 190,097.28-285,222.06-71,801.64

Finding the Fourth Proportional to 190,097.28, 285,222.06 and 71,801.64

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Solution

The fourth proportional to 190,097.28, 285,222.06 and 71,801.64 is: 107,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,097.28 : 285,222.06 = 71,801.64 : x
  2. Step 2: Convert to fraction form
    190,097.28/285,222.06 = 71,801.64/x
  3. Step 3: Cross multiply
    190,097.28x = 285,222.06 × 71,801.64
  4. Step 4: Simplify right side
    190,097.28x = 20,479,411,672.18
  5. Step 5: Solve for x
    x = 20,479,411,672.18/190,097.28
  6. Step 6: Final answer
    x = 107,731.22

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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.