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Finding the Fourth Proportional to 115,063, 158,795.58 and 64,760.92

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Solution

The fourth proportional to 115,063, 158,795.58 and 64,760.92 is: 89,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063 : 158,795.58 = 64,760.92 : x
  2. Step 2: Convert to fraction form
    115,063/158,795.58 = 64,760.92/x
  3. Step 3: Cross multiply
    115,063x = 158,795.58 × 64,760.92
  4. Step 4: Simplify right side
    115,063x = 10,283,747,852.73
  5. Step 5: Solve for x
    x = 10,283,747,852.73/115,063
  6. Step 6: Final answer
    x = 89,374.93

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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.