Home / 122,798.16-184,197.24-81,235.44

Finding the Fourth Proportional to 122,798.16, 184,197.24 and 81,235.44

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Solution

The fourth proportional to 122,798.16, 184,197.24 and 81,235.44 is: 121,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,798.16 : 184,197.24 = 81,235.44 : x
  2. Step 2: Convert to fraction form
    122,798.16/184,197.24 = 81,235.44/x
  3. Step 3: Cross multiply
    122,798.16x = 184,197.24 × 81,235.44
  4. Step 4: Simplify right side
    122,798.16x = 14,963,343,838.19
  5. Step 5: Solve for x
    x = 14,963,343,838.19/122,798.16
  6. Step 6: Final answer
    x = 121,853.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.