Home / 84,824.70-127,237.05-71,000.70

Finding the Fourth Proportional to 84,824.70, 127,237.05 and 71,000.70

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Solution

The fourth proportional to 84,824.70, 127,237.05 and 71,000.70 is: 106,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,824.70 : 127,237.05 = 71,000.70 : x
  2. Step 2: Convert to fraction form
    84,824.70/127,237.05 = 71,000.70/x
  3. Step 3: Cross multiply
    84,824.70x = 127,237.05 × 71,000.70
  4. Step 4: Simplify right side
    84,824.70x = 9,033,919,615.94
  5. Step 5: Solve for x
    x = 9,033,919,615.94/84,824.70
  6. Step 6: Final answer
    x = 106,501.05

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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.