Home / 190,263.35-262,739.92-142,433.66

Finding the Fourth Proportional to 190,263.35, 262,739.92 and 142,433.66

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Solution

The fourth proportional to 190,263.35, 262,739.92 and 142,433.66 is: 196,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,263.35 : 262,739.92 = 142,433.66 : x
  2. Step 2: Convert to fraction form
    190,263.35/262,739.92 = 142,433.66/x
  3. Step 3: Cross multiply
    190,263.35x = 262,739.92 × 142,433.66
  4. Step 4: Simplify right side
    190,263.35x = 37,423,008,433.71
  5. Step 5: Solve for x
    x = 37,423,008,433.71/190,263.35
  6. Step 6: Final answer
    x = 196,690.58

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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.