Home / 84,262.28-126,319.37-34,384.37

Finding the Fourth Proportional to 84,262.28, 126,319.37 and 34,384.37

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Solution

The fourth proportional to 84,262.28, 126,319.37 and 34,384.37 is: 51,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,262.28 : 126,319.37 = 34,384.37 : x
  2. Step 2: Convert to fraction form
    84,262.28/126,319.37 = 34,384.37/x
  3. Step 3: Cross multiply
    84,262.28x = 126,319.37 × 34,384.37
  4. Step 4: Simplify right side
    84,262.28x = 4,343,411,152.73
  5. Step 5: Solve for x
    x = 4,343,411,152.73/84,262.28
  6. Step 6: Final answer
    x = 51,546.33

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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.