Home / 84,902.28-127,178.40-49,735.32

Finding the Fourth Proportional to 84,902.28, 127,178.40 and 49,735.32

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Solution

The fourth proportional to 84,902.28, 127,178.40 and 49,735.32 is: 74,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902.28 : 127,178.40 = 49,735.32 : x
  2. Step 2: Convert to fraction form
    84,902.28/127,178.40 = 49,735.32/x
  3. Step 3: Cross multiply
    84,902.28x = 127,178.40 × 49,735.32
  4. Step 4: Simplify right side
    84,902.28x = 6,325,258,421.09
  5. Step 5: Solve for x
    x = 6,325,258,421.09/84,902.28
  6. Step 6: Final answer
    x = 74,500.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.