Home / 106,240.03-159,301.69-72,968.47

Finding the Fourth Proportional to 106,240.03, 159,301.69 and 72,968.47

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Solution

The fourth proportional to 106,240.03, 159,301.69 and 72,968.47 is: 109,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,240.03 : 159,301.69 = 72,968.47 : x
  2. Step 2: Convert to fraction form
    106,240.03/159,301.69 = 72,968.47/x
  3. Step 3: Cross multiply
    106,240.03x = 159,301.69 × 72,968.47
  4. Step 4: Simplify right side
    106,240.03x = 11,624,000,587.71
  5. Step 5: Solve for x
    x = 11,624,000,587.71/106,240.03
  6. Step 6: Final answer
    x = 109,412.63

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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.