Home / 190,215.04-262,217.28-144,814

Finding the Fourth Proportional to 190,215.04, 262,217.28 and 144,814

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Solution

The fourth proportional to 190,215.04, 262,217.28 and 144,814 is: 199,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,215.04 : 262,217.28 = 144,814 : x
  2. Step 2: Convert to fraction form
    190,215.04/262,217.28 = 144,814/x
  3. Step 3: Cross multiply
    190,215.04x = 262,217.28 × 144,814
  4. Step 4: Simplify right side
    190,215.04x = 37,972,733,185.92
  5. Step 5: Solve for x
    x = 37,972,733,185.92/190,215.04
  6. Step 6: Final answer
    x = 199,630.55

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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.