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Finding the Fourth Proportional to 134,470.74, 185,487.76 and 82,796.16

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Solution

The fourth proportional to 134,470.74, 185,487.76 and 82,796.16 is: 114,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,470.74 : 185,487.76 = 82,796.16 : x
  2. Step 2: Convert to fraction form
    134,470.74/185,487.76 = 82,796.16/x
  3. Step 3: Cross multiply
    134,470.74x = 185,487.76 × 82,796.16
  4. Step 4: Simplify right side
    134,470.74x = 15,357,674,255.00
  5. Step 5: Solve for x
    x = 15,357,674,255.00/134,470.74
  6. Step 6: Final answer
    x = 114,208.30

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1.5x scale

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.