Home / 127,711.51-176,241.83-74,027.63

Finding the Fourth Proportional to 127,711.51, 176,241.83 and 74,027.63

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Solution

The fourth proportional to 127,711.51, 176,241.83 and 74,027.63 is: 102,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,711.51 : 176,241.83 = 74,027.63 : x
  2. Step 2: Convert to fraction form
    127,711.51/176,241.83 = 74,027.63/x
  3. Step 3: Cross multiply
    127,711.51x = 176,241.83 × 74,027.63
  4. Step 4: Simplify right side
    127,711.51x = 13,046,765,052.23
  5. Step 5: Solve for x
    x = 13,046,765,052.23/127,711.51
  6. Step 6: Final answer
    x = 102,158.10

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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.