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Finding the Fourth Proportional to 188,129.60, 282,188.64 and 63,460.16

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Solution

The fourth proportional to 188,129.60, 282,188.64 and 63,460.16 is: 95,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,129.60 : 282,188.64 = 63,460.16 : x
  2. Step 2: Convert to fraction form
    188,129.60/282,188.64 = 63,460.16/x
  3. Step 3: Cross multiply
    188,129.60x = 282,188.64 × 63,460.16
  4. Step 4: Simplify right side
    188,129.60x = 17,907,736,244.58
  5. Step 5: Solve for x
    x = 17,907,736,244.58/188,129.60
  6. Step 6: Final answer
    x = 95,188.30

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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.