Home / 123,054.40-169,818.60-69,336.46

Finding the Fourth Proportional to 123,054.40, 169,818.60 and 69,336.46

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Solution

The fourth proportional to 123,054.40, 169,818.60 and 69,336.46 is: 95,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,054.40 : 169,818.60 = 69,336.46 : x
  2. Step 2: Convert to fraction form
    123,054.40/169,818.60 = 69,336.46/x
  3. Step 3: Cross multiply
    123,054.40x = 169,818.60 × 69,336.46
  4. Step 4: Simplify right side
    123,054.40x = 11,774,620,566.16
  5. Step 5: Solve for x
    x = 11,774,620,566.16/123,054.40
  6. Step 6: Final answer
    x = 95,686.30

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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.