Home / 97,816.42-146,724.63-53,418.95

Finding the Fourth Proportional to 97,816.42, 146,724.63 and 53,418.95

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Solution

The fourth proportional to 97,816.42, 146,724.63 and 53,418.95 is: 80,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,816.42 : 146,724.63 = 53,418.95 : x
  2. Step 2: Convert to fraction form
    97,816.42/146,724.63 = 53,418.95/x
  3. Step 3: Cross multiply
    97,816.42x = 146,724.63 × 53,418.95
  4. Step 4: Simplify right side
    97,816.42x = 7,837,875,673.74
  5. Step 5: Solve for x
    x = 7,837,875,673.74/97,816.42
  6. Step 6: Final answer
    x = 80,128.43

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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.