Home / 122,805.27-169,457.54-69,108.75

Finding the Fourth Proportional to 122,805.27, 169,457.54 and 69,108.75

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Solution

The fourth proportional to 122,805.27, 169,457.54 and 69,108.75 is: 95,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,805.27 : 169,457.54 = 69,108.75 : x
  2. Step 2: Convert to fraction form
    122,805.27/169,457.54 = 69,108.75/x
  3. Step 3: Cross multiply
    122,805.27x = 169,457.54 × 69,108.75
  4. Step 4: Simplify right side
    122,805.27x = 11,710,998,421.93
  5. Step 5: Solve for x
    x = 11,710,998,421.93/122,805.27
  6. Step 6: Final answer
    x = 95,362.34

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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.