Home / 122,127.75-168,533.28-68,412.42

Finding the Fourth Proportional to 122,127.75, 168,533.28 and 68,412.42

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Solution

The fourth proportional to 122,127.75, 168,533.28 and 68,412.42 is: 94,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,127.75 : 168,533.28 = 68,412.42 : x
  2. Step 2: Convert to fraction form
    122,127.75/168,533.28 = 68,412.42/x
  3. Step 3: Cross multiply
    122,127.75x = 168,533.28 × 68,412.42
  4. Step 4: Simplify right side
    122,127.75x = 11,529,769,535.34
  5. Step 5: Solve for x
    x = 11,529,769,535.34/122,127.75
  6. Step 6: Final answer
    x = 94,407.45

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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.