Home / 190,259.48-262,734.57-142,429.79

Finding the Fourth Proportional to 190,259.48, 262,734.57 and 142,429.79

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Solution

The fourth proportional to 190,259.48, 262,734.57 and 142,429.79 is: 196,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,259.48 : 262,734.57 = 142,429.79 : x
  2. Step 2: Convert to fraction form
    190,259.48/262,734.57 = 142,429.79/x
  3. Step 3: Cross multiply
    190,259.48x = 262,734.57 × 142,429.79
  4. Step 4: Simplify right side
    190,259.48x = 37,421,228,317.17
  5. Step 5: Solve for x
    x = 37,421,228,317.17/190,259.48
  6. Step 6: Final answer
    x = 196,685.23

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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.