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Finding the Fourth Proportional to 192,167.60, 265,192.64 and 107,289.32

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Solution

The fourth proportional to 192,167.60, 265,192.64 and 107,289.32 is: 148,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,167.60 : 265,192.64 = 107,289.32 : x
  2. Step 2: Convert to fraction form
    192,167.60/265,192.64 = 107,289.32/x
  3. Step 3: Cross multiply
    192,167.60x = 265,192.64 × 107,289.32
  4. Step 4: Simplify right side
    192,167.60x = 28,452,338,014.60
  5. Step 5: Solve for x
    x = 28,452,338,014.60/192,167.60
  6. Step 6: Final answer
    x = 148,060.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.