Home / 97,869.66-146,802.35-31,309.59

Finding the Fourth Proportional to 97,869.66, 146,802.35 and 31,309.59

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Solution

The fourth proportional to 97,869.66, 146,802.35 and 31,309.59 is: 46,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,869.66 : 146,802.35 = 31,309.59 : x
  2. Step 2: Convert to fraction form
    97,869.66/146,802.35 = 31,309.59/x
  3. Step 3: Cross multiply
    97,869.66x = 146,802.35 × 31,309.59
  4. Step 4: Simplify right side
    97,869.66x = 4,596,321,389.54
  5. Step 5: Solve for x
    x = 4,596,321,389.54/97,869.66
  6. Step 6: Final answer
    x = 46,963.70

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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.