Home / 190,043.52-262,045.44-142,143.36

Finding the Fourth Proportional to 190,043.52, 262,045.44 and 142,143.36

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Solution

The fourth proportional to 190,043.52, 262,045.44 and 142,143.36 is: 195,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,043.52 : 262,045.44 = 142,143.36 : x
  2. Step 2: Convert to fraction form
    190,043.52/262,045.44 = 142,143.36/x
  3. Step 3: Cross multiply
    190,043.52x = 262,045.44 × 142,143.36
  4. Step 4: Simplify right side
    190,043.52x = 37,248,019,314.28
  5. Step 5: Solve for x
    x = 37,248,019,314.28/190,043.52
  6. Step 6: Final answer
    x = 195,997.31

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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.