Home / 122,364.12-183,613.04-47,487.20

Finding the Fourth Proportional to 122,364.12, 183,613.04 and 47,487.20

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Solution

The fourth proportional to 122,364.12, 183,613.04 and 47,487.20 is: 71,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,364.12 : 183,613.04 = 47,487.20 : x
  2. Step 2: Convert to fraction form
    122,364.12/183,613.04 = 47,487.20/x
  3. Step 3: Cross multiply
    122,364.12x = 183,613.04 × 47,487.20
  4. Step 4: Simplify right side
    122,364.12x = 8,719,269,153.09
  5. Step 5: Solve for x
    x = 8,719,269,153.09/122,364.12
  6. Step 6: Final answer
    x = 71,256.75

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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.