Home / 210,268.51-290,136.33-124,215.53

Finding the Fourth Proportional to 210,268.51, 290,136.33 and 124,215.53

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Solution

The fourth proportional to 210,268.51, 290,136.33 and 124,215.53 is: 171,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,268.51 : 290,136.33 = 124,215.53 : x
  2. Step 2: Convert to fraction form
    210,268.51/290,136.33 = 124,215.53/x
  3. Step 3: Cross multiply
    210,268.51x = 290,136.33 × 124,215.53
  4. Step 4: Simplify right side
    210,268.51x = 36,039,436,552.52
  5. Step 5: Solve for x
    x = 36,039,436,552.52/210,268.51
  6. Step 6: Final answer
    x = 171,397.21

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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.