Home / 133,389.36-184,144.14-103,106.16

Finding the Fourth Proportional to 133,389.36, 184,144.14 and 103,106.16

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Solution

The fourth proportional to 133,389.36, 184,144.14 and 103,106.16 is: 142,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,389.36 : 184,144.14 = 103,106.16 : x
  2. Step 2: Convert to fraction form
    133,389.36/184,144.14 = 103,106.16/x
  3. Step 3: Cross multiply
    133,389.36x = 184,144.14 × 103,106.16
  4. Step 4: Simplify right side
    133,389.36x = 18,986,395,161.90
  5. Step 5: Solve for x
    x = 18,986,395,161.90/133,389.36
  6. Step 6: Final answer
    x = 142,338.15

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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.