Home / 122,769.18-169,421.51-69,054.23

Finding the Fourth Proportional to 122,769.18, 169,421.51 and 69,054.23

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Solution

The fourth proportional to 122,769.18, 169,421.51 and 69,054.23 is: 95,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,769.18 : 169,421.51 = 69,054.23 : x
  2. Step 2: Convert to fraction form
    122,769.18/169,421.51 = 69,054.23/x
  3. Step 3: Cross multiply
    122,769.18x = 169,421.51 × 69,054.23
  4. Step 4: Simplify right side
    122,769.18x = 11,699,271,918.49
  5. Step 5: Solve for x
    x = 11,699,271,918.49/122,769.18
  6. Step 6: Final answer
    x = 95,294.86

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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.