Home / 122,504.40-183,720.08-47,636.16

Finding the Fourth Proportional to 122,504.40, 183,720.08 and 47,636.16

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Solution

The fourth proportional to 122,504.40, 183,720.08 and 47,636.16 is: 71,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,504.40 : 183,720.08 = 47,636.16 : x
  2. Step 2: Convert to fraction form
    122,504.40/183,720.08 = 47,636.16/x
  3. Step 3: Cross multiply
    122,504.40x = 183,720.08 × 47,636.16
  4. Step 4: Simplify right side
    122,504.40x = 8,751,719,126.09
  5. Step 5: Solve for x
    x = 8,751,719,126.09/122,504.40
  6. Step 6: Final answer
    x = 71,440.04

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1.5x scale

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.