Home / 134,977.80-186,270.76-74,549.96

Finding the Fourth Proportional to 134,977.80, 186,270.76 and 74,549.96

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Solution

The fourth proportional to 134,977.80, 186,270.76 and 74,549.96 is: 102,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,977.80 : 186,270.76 = 74,549.96 : x
  2. Step 2: Convert to fraction form
    134,977.80/186,270.76 = 74,549.96/x
  3. Step 3: Cross multiply
    134,977.80x = 186,270.76 × 74,549.96
  4. Step 4: Simplify right side
    134,977.80x = 13,886,477,707.17
  5. Step 5: Solve for x
    x = 13,886,477,707.17/134,977.80
  6. Step 6: Final answer
    x = 102,879.72

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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.