Home / 93,039.51-139,559.28-22,918.80

Finding the Fourth Proportional to 93,039.51, 139,559.28 and 22,918.80

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Solution

The fourth proportional to 93,039.51, 139,559.28 and 22,918.80 is: 34,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,039.51 : 139,559.28 = 22,918.80 : x
  2. Step 2: Convert to fraction form
    93,039.51/139,559.28 = 22,918.80/x
  3. Step 3: Cross multiply
    93,039.51x = 139,559.28 × 22,918.80
  4. Step 4: Simplify right side
    93,039.51x = 3,198,531,226.46
  5. Step 5: Solve for x
    x = 3,198,531,226.46/93,039.51
  6. Step 6: Final answer
    x = 34,378.20

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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.