Home / 163,728.45-245,300.47-88,800.79

Finding the Fourth Proportional to 163,728.45, 245,300.47 and 88,800.79

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Solution

The fourth proportional to 163,728.45, 245,300.47 and 88,800.79 is: 133,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,728.45 : 245,300.47 = 88,800.79 : x
  2. Step 2: Convert to fraction form
    163,728.45/245,300.47 = 88,800.79/x
  3. Step 3: Cross multiply
    163,728.45x = 245,300.47 × 88,800.79
  4. Step 4: Simplify right side
    163,728.45x = 21,782,875,523.37
  5. Step 5: Solve for x
    x = 21,782,875,523.37/163,728.45
  6. Step 6: Final answer
    x = 133,042.70

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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.