Home / 119,851.16-165,395.21-66,136.23

Finding the Fourth Proportional to 119,851.16, 165,395.21 and 66,136.23

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Solution

The fourth proportional to 119,851.16, 165,395.21 and 66,136.23 is: 91,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,851.16 : 165,395.21 = 66,136.23 : x
  2. Step 2: Convert to fraction form
    119,851.16/165,395.21 = 66,136.23/x
  3. Step 3: Cross multiply
    119,851.16x = 165,395.21 × 66,136.23
  4. Step 4: Simplify right side
    119,851.16x = 10,938,615,318.78
  5. Step 5: Solve for x
    x = 10,938,615,318.78/119,851.16
  6. Step 6: Final answer
    x = 91,268.33

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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.