Home / 122,712.04-169,349.70-68,997.16

Finding the Fourth Proportional to 122,712.04, 169,349.70 and 68,997.16

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Solution

The fourth proportional to 122,712.04, 169,349.70 and 68,997.16 is: 95,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,712.04 : 169,349.70 = 68,997.16 : x
  2. Step 2: Convert to fraction form
    122,712.04/169,349.70 = 68,997.16/x
  3. Step 3: Cross multiply
    122,712.04x = 169,349.70 × 68,997.16
  4. Step 4: Simplify right side
    122,712.04x = 11,684,648,346.85
  5. Step 5: Solve for x
    x = 11,684,648,346.85/122,712.04
  6. Step 6: Final answer
    x = 95,220.06

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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.