Home / 122,971.24-184,223.58-72,945.64

Finding the Fourth Proportional to 122,971.24, 184,223.58 and 72,945.64

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Solution

The fourth proportional to 122,971.24, 184,223.58 and 72,945.64 is: 109,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,971.24 : 184,223.58 = 72,945.64 : x
  2. Step 2: Convert to fraction form
    122,971.24/184,223.58 = 72,945.64/x
  3. Step 3: Cross multiply
    122,971.24x = 184,223.58 × 72,945.64
  4. Step 4: Simplify right side
    122,971.24x = 13,438,306,946.19
  5. Step 5: Solve for x
    x = 13,438,306,946.19/122,971.24
  6. Step 6: Final answer
    x = 109,280.08

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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.