Home / 122,583.42-183,887.08-47,709.65

Finding the Fourth Proportional to 122,583.42, 183,887.08 and 47,709.65

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Solution

The fourth proportional to 122,583.42, 183,887.08 and 47,709.65 is: 71,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,583.42 : 183,887.08 = 47,709.65 : x
  2. Step 2: Convert to fraction form
    122,583.42/183,887.08 = 47,709.65/x
  3. Step 3: Cross multiply
    122,583.42x = 183,887.08 × 47,709.65
  4. Step 4: Simplify right side
    122,583.42x = 8,773,188,566.77
  5. Step 5: Solve for x
    x = 8,773,188,566.77/122,583.42
  6. Step 6: Final answer
    x = 71,569.13

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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.