Home / 114,601.58-172,011.78-70,314.83

Finding the Fourth Proportional to 114,601.58, 172,011.78 and 70,314.83

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Solution

The fourth proportional to 114,601.58, 172,011.78 and 70,314.83 is: 105,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,601.58 : 172,011.78 = 70,314.83 : x
  2. Step 2: Convert to fraction form
    114,601.58/172,011.78 = 70,314.83/x
  3. Step 3: Cross multiply
    114,601.58x = 172,011.78 × 70,314.83
  4. Step 4: Simplify right side
    114,601.58x = 12,094,978,208.64
  5. Step 5: Solve for x
    x = 12,094,978,208.64/114,601.58
  6. Step 6: Final answer
    x = 105,539.37

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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.