Home / 134,328.66-185,370.98-73,895.78

Finding the Fourth Proportional to 134,328.66, 185,370.98 and 73,895.78

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Solution

The fourth proportional to 134,328.66, 185,370.98 and 73,895.78 is: 101,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,328.66 : 185,370.98 = 73,895.78 : x
  2. Step 2: Convert to fraction form
    134,328.66/185,370.98 = 73,895.78/x
  3. Step 3: Cross multiply
    134,328.66x = 185,370.98 × 73,895.78
  4. Step 4: Simplify right side
    134,328.66x = 13,698,131,860.13
  5. Step 5: Solve for x
    x = 13,698,131,860.13/134,328.66
  6. Step 6: Final answer
    x = 101,974.75

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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.