Home / 122,572.40-169,131.47-68,847.12

Finding the Fourth Proportional to 122,572.40, 169,131.47 and 68,847.12

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Solution

The fourth proportional to 122,572.40, 169,131.47 and 68,847.12 is: 94,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,572.40 : 169,131.47 = 68,847.12 : x
  2. Step 2: Convert to fraction form
    122,572.40/169,131.47 = 68,847.12/x
  3. Step 3: Cross multiply
    122,572.40x = 169,131.47 × 68,847.12
  4. Step 4: Simplify right side
    122,572.40x = 11,644,214,266.63
  5. Step 5: Solve for x
    x = 11,644,214,266.63/122,572.40
  6. Step 6: Final answer
    x = 94,998.67

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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.