Home / 134,485.54-185,527.66-86,754.28

Finding the Fourth Proportional to 134,485.54, 185,527.66 and 86,754.28

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Solution

The fourth proportional to 134,485.54, 185,527.66 and 86,754.28 is: 119,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,485.54 : 185,527.66 = 86,754.28 : x
  2. Step 2: Convert to fraction form
    134,485.54/185,527.66 = 86,754.28/x
  3. Step 3: Cross multiply
    134,485.54x = 185,527.66 × 86,754.28
  4. Step 4: Simplify right side
    134,485.54x = 16,095,318,563.38
  5. Step 5: Solve for x
    x = 16,095,318,563.38/134,485.54
  6. Step 6: Final answer
    x = 119,680.66

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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.