Home / 97,802.91-146,256.03-72,860.31

Finding the Fourth Proportional to 97,802.91, 146,256.03 and 72,860.31

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Solution

The fourth proportional to 97,802.91, 146,256.03 and 72,860.31 is: 108,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,802.91 : 146,256.03 = 72,860.31 : x
  2. Step 2: Convert to fraction form
    97,802.91/146,256.03 = 72,860.31/x
  3. Step 3: Cross multiply
    97,802.91x = 146,256.03 × 72,860.31
  4. Step 4: Simplify right side
    97,802.91x = 10,656,259,685.17
  5. Step 5: Solve for x
    x = 10,656,259,685.17/97,802.91
  6. Step 6: Final answer
    x = 108,956.47

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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.