Home / 84,018.14-126,027.21-69,167.50

Finding the Fourth Proportional to 84,018.14, 126,027.21 and 69,167.50

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Solution

The fourth proportional to 84,018.14, 126,027.21 and 69,167.50 is: 103,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018.14 : 126,027.21 = 69,167.50 : x
  2. Step 2: Convert to fraction form
    84,018.14/126,027.21 = 69,167.50/x
  3. Step 3: Cross multiply
    84,018.14x = 126,027.21 × 69,167.50
  4. Step 4: Simplify right side
    84,018.14x = 8,716,986,071.70
  5. Step 5: Solve for x
    x = 8,716,986,071.70/84,018.14
  6. Step 6: Final answer
    x = 103,751.24

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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.