Home / 117,219.09-175,828.64-28,472.00

Finding the Fourth Proportional to 117,219.09, 175,828.64 and 28,472.00

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Solution

The fourth proportional to 117,219.09, 175,828.64 and 28,472.00 is: 42,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,219.09 : 175,828.64 = 28,472.00 : x
  2. Step 2: Convert to fraction form
    117,219.09/175,828.64 = 28,472.00/x
  3. Step 3: Cross multiply
    117,219.09x = 175,828.64 × 28,472.00
  4. Step 4: Simplify right side
    117,219.09x = 5,006,192,889.47
  5. Step 5: Solve for x
    x = 5,006,192,889.47/117,219.09
  6. Step 6: Final answer
    x = 42,708.00

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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.