Home / 222,953.80-334,441.64-89,816

Finding the Fourth Proportional to 222,953.80, 334,441.64 and 89,816

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Solution

The fourth proportional to 222,953.80, 334,441.64 and 89,816 is: 134,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,953.80 : 334,441.64 = 89,816 : x
  2. Step 2: Convert to fraction form
    222,953.80/334,441.64 = 89,816/x
  3. Step 3: Cross multiply
    222,953.80x = 334,441.64 × 89,816
  4. Step 4: Simplify right side
    222,953.80x = 30,038,210,338.24
  5. Step 5: Solve for x
    x = 30,038,210,338.24/222,953.80
  6. Step 6: Final answer
    x = 134,728.41

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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.