Home / 109,458.05-151,054.78-61,059.63

Finding the Fourth Proportional to 109,458.05, 151,054.78 and 61,059.63

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Solution

The fourth proportional to 109,458.05, 151,054.78 and 61,059.63 is: 84,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,458.05 : 151,054.78 = 61,059.63 : x
  2. Step 2: Convert to fraction form
    109,458.05/151,054.78 = 61,059.63/x
  3. Step 3: Cross multiply
    109,458.05x = 151,054.78 × 61,059.63
  4. Step 4: Simplify right side
    109,458.05x = 9,223,348,976.53
  5. Step 5: Solve for x
    x = 9,223,348,976.53/109,458.05
  6. Step 6: Final answer
    x = 84,263.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.