Home / 190,371.52-262,712.69-105,488.58

Finding the Fourth Proportional to 190,371.52, 262,712.69 and 105,488.58

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Solution

The fourth proportional to 190,371.52, 262,712.69 and 105,488.58 is: 145,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,371.52 : 262,712.69 = 105,488.58 : x
  2. Step 2: Convert to fraction form
    190,371.52/262,712.69 = 105,488.58/x
  3. Step 3: Cross multiply
    190,371.52x = 262,712.69 × 105,488.58
  4. Step 4: Simplify right side
    190,371.52x = 27,713,188,288.32
  5. Step 5: Solve for x
    x = 27,713,188,288.32/190,371.52
  6. Step 6: Final answer
    x = 145,574.24

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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.