Home / 106,817.40-147,274.08-68,509.44

Finding the Fourth Proportional to 106,817.40, 147,274.08 and 68,509.44

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Solution

The fourth proportional to 106,817.40, 147,274.08 and 68,509.44 is: 94,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,817.40 : 147,274.08 = 68,509.44 : x
  2. Step 2: Convert to fraction form
    106,817.40/147,274.08 = 68,509.44/x
  3. Step 3: Cross multiply
    106,817.40x = 147,274.08 × 68,509.44
  4. Step 4: Simplify right side
    106,817.40x = 10,089,664,747.32
  5. Step 5: Solve for x
    x = 10,089,664,747.32/106,817.40
  6. Step 6: Final answer
    x = 94,457.13

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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.