Home / 190,109.27-262,351.02-118,489.23

Finding the Fourth Proportional to 190,109.27, 262,351.02 and 118,489.23

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Solution

The fourth proportional to 190,109.27, 262,351.02 and 118,489.23 is: 163,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,109.27 : 262,351.02 = 118,489.23 : x
  2. Step 2: Convert to fraction form
    190,109.27/262,351.02 = 118,489.23/x
  3. Step 3: Cross multiply
    190,109.27x = 262,351.02 × 118,489.23
  4. Step 4: Simplify right side
    190,109.27x = 31,085,770,349.51
  5. Step 5: Solve for x
    x = 31,085,770,349.51/190,109.27
  6. Step 6: Final answer
    x = 163,515.28

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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.