Home / 147,921.96-204,136.32-90,560.16

Finding the Fourth Proportional to 147,921.96, 204,136.32 and 90,560.16

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Solution

The fourth proportional to 147,921.96, 204,136.32 and 90,560.16 is: 124,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,921.96 : 204,136.32 = 90,560.16 : x
  2. Step 2: Convert to fraction form
    147,921.96/204,136.32 = 90,560.16/x
  3. Step 3: Cross multiply
    147,921.96x = 204,136.32 × 90,560.16
  4. Step 4: Simplify right side
    147,921.96x = 18,486,617,801.01
  5. Step 5: Solve for x
    x = 18,486,617,801.01/147,921.96
  6. Step 6: Final answer
    x = 124,975.48

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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.