Home / 122,128.48-184,164.46-120,463.12

Finding the Fourth Proportional to 122,128.48, 184,164.46 and 120,463.12

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Solution

The fourth proportional to 122,128.48, 184,164.46 and 120,463.12 is: 181,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,128.48 : 184,164.46 = 120,463.12 : x
  2. Step 2: Convert to fraction form
    122,128.48/184,164.46 = 120,463.12/x
  3. Step 3: Cross multiply
    122,128.48x = 184,164.46 × 120,463.12
  4. Step 4: Simplify right side
    122,128.48x = 22,185,025,444.72
  5. Step 5: Solve for x
    x = 22,185,025,444.72/122,128.48
  6. Step 6: Final answer
    x = 181,653.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.