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Finding the Fourth Proportional to 192,600.16, 265,788.88 and 107,711.76

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Solution

The fourth proportional to 192,600.16, 265,788.88 and 107,711.76 is: 148,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,600.16 : 265,788.88 = 107,711.76 : x
  2. Step 2: Convert to fraction form
    192,600.16/265,788.88 = 107,711.76/x
  3. Step 3: Cross multiply
    192,600.16x = 265,788.88 × 107,711.76
  4. Step 4: Simplify right side
    192,600.16x = 28,628,588,053.23
  5. Step 5: Solve for x
    x = 28,628,588,053.23/192,600.16
  6. Step 6: Final answer
    x = 148,642.60

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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.