Home / 106,739.89-159,970.93-43,485.93

Finding the Fourth Proportional to 106,739.89, 159,970.93 and 43,485.93

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Solution

The fourth proportional to 106,739.89, 159,970.93 and 43,485.93 is: 65,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,739.89 : 159,970.93 = 43,485.93 : x
  2. Step 2: Convert to fraction form
    106,739.89/159,970.93 = 43,485.93/x
  3. Step 3: Cross multiply
    106,739.89x = 159,970.93 × 43,485.93
  4. Step 4: Simplify right side
    106,739.89x = 6,956,484,799.91
  5. Step 5: Solve for x
    x = 6,956,484,799.91/106,739.89
  6. Step 6: Final answer
    x = 65,172.30

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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.