Home / 105,938.42-146,195.70-58,191.35

Finding the Fourth Proportional to 105,938.42, 146,195.70 and 58,191.35

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Solution

The fourth proportional to 105,938.42, 146,195.70 and 58,191.35 is: 80,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,938.42 : 146,195.70 = 58,191.35 : x
  2. Step 2: Convert to fraction form
    105,938.42/146,195.70 = 58,191.35/x
  3. Step 3: Cross multiply
    105,938.42x = 146,195.70 × 58,191.35
  4. Step 4: Simplify right side
    105,938.42x = 8,507,325,147.20
  5. Step 5: Solve for x
    x = 8,507,325,147.20/105,938.42
  6. Step 6: Final answer
    x = 80,304.44

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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.