Home / 137,834.98-190,216.86-77,416.27

Finding the Fourth Proportional to 137,834.98, 190,216.86 and 77,416.27

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Solution

The fourth proportional to 137,834.98, 190,216.86 and 77,416.27 is: 106,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,834.98 : 190,216.86 = 77,416.27 : x
  2. Step 2: Convert to fraction form
    137,834.98/190,216.86 = 77,416.27/x
  3. Step 3: Cross multiply
    137,834.98x = 190,216.86 × 77,416.27
  4. Step 4: Simplify right side
    137,834.98x = 14,725,879,792.31
  5. Step 5: Solve for x
    x = 14,725,879,792.31/137,834.98
  6. Step 6: Final answer
    x = 106,837.03

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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.