Home / 122,890.89-184,336.34-70,263.47

Finding the Fourth Proportional to 122,890.89, 184,336.34 and 70,263.47

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Solution

The fourth proportional to 122,890.89, 184,336.34 and 70,263.47 is: 105,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,890.89 : 184,336.34 = 70,263.47 : x
  2. Step 2: Convert to fraction form
    122,890.89/184,336.34 = 70,263.47/x
  3. Step 3: Cross multiply
    122,890.89x = 184,336.34 × 70,263.47
  4. Step 4: Simplify right side
    122,890.89x = 12,952,110,313.76
  5. Step 5: Solve for x
    x = 12,952,110,313.76/122,890.89
  6. Step 6: Final answer
    x = 105,395.20

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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.