Home / 190,280.22-285,460.43-71,948.94

Finding the Fourth Proportional to 190,280.22, 285,460.43 and 71,948.94

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Solution

The fourth proportional to 190,280.22, 285,460.43 and 71,948.94 is: 107,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.22 : 285,460.43 = 71,948.94 : x
  2. Step 2: Convert to fraction form
    190,280.22/285,460.43 = 71,948.94/x
  3. Step 3: Cross multiply
    190,280.22x = 285,460.43 × 71,948.94
  4. Step 4: Simplify right side
    190,280.22x = 20,538,574,990.70
  5. Step 5: Solve for x
    x = 20,538,574,990.70/190,280.22
  6. Step 6: Final answer
    x = 107,938.57

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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.