Home / 134,813.94-186,043.91-74,384.63

Finding the Fourth Proportional to 134,813.94, 186,043.91 and 74,384.63

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Solution

The fourth proportional to 134,813.94, 186,043.91 and 74,384.63 is: 102,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,813.94 : 186,043.91 = 74,384.63 : x
  2. Step 2: Convert to fraction form
    134,813.94/186,043.91 = 74,384.63/x
  3. Step 3: Cross multiply
    134,813.94x = 186,043.91 × 74,384.63
  4. Step 4: Simplify right side
    134,813.94x = 13,838,806,804.63
  5. Step 5: Solve for x
    x = 13,838,806,804.63/134,813.94
  6. Step 6: Final answer
    x = 102,651.15

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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.