Home / 336,139.34-503,905.11-122,756.72

Finding the Fourth Proportional to 336,139.34, 503,905.11 and 122,756.72

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Solution

The fourth proportional to 336,139.34, 503,905.11 and 122,756.72 is: 184,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,139.34 : 503,905.11 = 122,756.72 : x
  2. Step 2: Convert to fraction form
    336,139.34/503,905.11 = 122,756.72/x
  3. Step 3: Cross multiply
    336,139.34x = 503,905.11 × 122,756.72
  4. Step 4: Simplify right side
    336,139.34x = 61,857,738,494.84
  5. Step 5: Solve for x
    x = 61,857,738,494.84/336,139.34
  6. Step 6: Final answer
    x = 184,024.10

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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.