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Finding the Fourth Proportional to 122,848.60, 169,529.02 and 69,133.60

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Solution

The fourth proportional to 122,848.60, 169,529.02 and 69,133.60 is: 95,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,848.60 : 169,529.02 = 69,133.60 : x
  2. Step 2: Convert to fraction form
    122,848.60/169,529.02 = 69,133.60/x
  3. Step 3: Cross multiply
    122,848.60x = 169,529.02 × 69,133.60
  4. Step 4: Simplify right side
    122,848.60x = 11,720,151,457.07
  5. Step 5: Solve for x
    x = 11,720,151,457.07/122,848.60
  6. Step 6: Final answer
    x = 95,403.22

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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.