Home / 137,815.77-190,238.40-134,023.74

Finding the Fourth Proportional to 137,815.77, 190,238.40 and 134,023.74

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Solution

The fourth proportional to 137,815.77, 190,238.40 and 134,023.74 is: 185,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,815.77 : 190,238.40 = 134,023.74 : x
  2. Step 2: Convert to fraction form
    137,815.77/190,238.40 = 134,023.74/x
  3. Step 3: Cross multiply
    137,815.77x = 190,238.40 × 134,023.74
  4. Step 4: Simplify right side
    137,815.77x = 25,496,461,859.62
  5. Step 5: Solve for x
    x = 25,496,461,859.62/137,815.77
  6. Step 6: Final answer
    x = 185,003.95

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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.