Home / 122,059.20-168,457.92-68,347.20

Finding the Fourth Proportional to 122,059.20, 168,457.92 and 68,347.20

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Solution

The fourth proportional to 122,059.20, 168,457.92 and 68,347.20 is: 94,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,059.20 : 168,457.92 = 68,347.20 : x
  2. Step 2: Convert to fraction form
    122,059.20/168,457.92 = 68,347.20/x
  3. Step 3: Cross multiply
    122,059.20x = 168,457.92 × 68,347.20
  4. Step 4: Simplify right side
    122,059.20x = 11,513,627,149.82
  5. Step 5: Solve for x
    x = 11,513,627,149.82/122,059.20
  6. Step 6: Final answer
    x = 94,328.22

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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.