Home / 122,127.92-168,539.28-68,410.16

Finding the Fourth Proportional to 122,127.92, 168,539.28 and 68,410.16

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Solution

The fourth proportional to 122,127.92, 168,539.28 and 68,410.16 is: 94,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,127.92 : 168,539.28 = 68,410.16 : x
  2. Step 2: Convert to fraction form
    122,127.92/168,539.28 = 68,410.16/x
  3. Step 3: Cross multiply
    122,127.92x = 168,539.28 × 68,410.16
  4. Step 4: Simplify right side
    122,127.92x = 11,529,799,111.08
  5. Step 5: Solve for x
    x = 11,529,799,111.08/122,127.92
  6. Step 6: Final answer
    x = 94,407.56

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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.