Home / 134,860.86-186,002.80-86,467.41

Finding the Fourth Proportional to 134,860.86, 186,002.80 and 86,467.41

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Solution

The fourth proportional to 134,860.86, 186,002.80 and 86,467.41 is: 119,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.86 : 186,002.80 = 86,467.41 : x
  2. Step 2: Convert to fraction form
    134,860.86/186,002.80 = 86,467.41/x
  3. Step 3: Cross multiply
    134,860.86x = 186,002.80 × 86,467.41
  4. Step 4: Simplify right side
    134,860.86x = 16,083,180,152.58
  5. Step 5: Solve for x
    x = 16,083,180,152.58/134,860.86
  6. Step 6: Final answer
    x = 119,257.58

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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.