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Finding the Fourth Proportional to 128,577.60, 192,907.20 and 62,023.68

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Solution

The fourth proportional to 128,577.60, 192,907.20 and 62,023.68 is: 93,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,577.60 : 192,907.20 = 62,023.68 : x
  2. Step 2: Convert to fraction form
    128,577.60/192,907.20 = 62,023.68/x
  3. Step 3: Cross multiply
    128,577.60x = 192,907.20 × 62,023.68
  4. Step 4: Simplify right side
    128,577.60x = 11,964,814,442.50
  5. Step 5: Solve for x
    x = 11,964,814,442.50/128,577.60
  6. Step 6: Final answer
    x = 93,055.20

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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.