Home / 137,835.98-190,218.24-77,417.27

Finding the Fourth Proportional to 137,835.98, 190,218.24 and 77,417.27

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Solution

The fourth proportional to 137,835.98, 190,218.24 and 77,417.27 is: 106,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,835.98 : 190,218.24 = 77,417.27 : x
  2. Step 2: Convert to fraction form
    137,835.98/190,218.24 = 77,417.27/x
  3. Step 3: Cross multiply
    137,835.98x = 190,218.24 × 77,417.27
  4. Step 4: Simplify right side
    137,835.98x = 14,726,176,845.00
  5. Step 5: Solve for x
    x = 14,726,176,845.00/137,835.98
  6. Step 6: Final answer
    x = 106,838.41

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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.