Home / 190,205.74-262,480.71-105,320.98

Finding the Fourth Proportional to 190,205.74, 262,480.71 and 105,320.98

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Solution

The fourth proportional to 190,205.74, 262,480.71 and 105,320.98 is: 145,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.74 : 262,480.71 = 105,320.98 : x
  2. Step 2: Convert to fraction form
    190,205.74/262,480.71 = 105,320.98/x
  3. Step 3: Cross multiply
    190,205.74x = 262,480.71 × 105,320.98
  4. Step 4: Simplify right side
    190,205.74x = 27,644,726,264.50
  5. Step 5: Solve for x
    x = 27,644,726,264.50/190,205.74
  6. Step 6: Final answer
    x = 145,341.18

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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.