Home / 133,387.32-184,131.18-83,111.16

Finding the Fourth Proportional to 133,387.32, 184,131.18 and 83,111.16

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Solution

The fourth proportional to 133,387.32, 184,131.18 and 83,111.16 is: 114,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.32 : 184,131.18 = 83,111.16 : x
  2. Step 2: Convert to fraction form
    133,387.32/184,131.18 = 83,111.16/x
  3. Step 3: Cross multiply
    133,387.32x = 184,131.18 × 83,111.16
  4. Step 4: Simplify right side
    133,387.32x = 15,303,355,961.97
  5. Step 5: Solve for x
    x = 15,303,355,961.97/133,387.32
  6. Step 6: Final answer
    x = 114,728.72

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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.