Home / 190,259.73-262,734.92-142,430.04

Finding the Fourth Proportional to 190,259.73, 262,734.92 and 142,430.04

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Solution

The fourth proportional to 190,259.73, 262,734.92 and 142,430.04 is: 196,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,259.73 : 262,734.92 = 142,430.04 : x
  2. Step 2: Convert to fraction form
    190,259.73/262,734.92 = 142,430.04/x
  3. Step 3: Cross multiply
    190,259.73x = 262,734.92 × 142,430.04
  4. Step 4: Simplify right side
    190,259.73x = 37,421,344,452.85
  5. Step 5: Solve for x
    x = 37,421,344,452.85/190,259.73
  6. Step 6: Final answer
    x = 196,685.58

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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.