Home / 122,865.51-169,559.86-69,154.00

Finding the Fourth Proportional to 122,865.51, 169,559.86 and 69,154.00

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Solution

The fourth proportional to 122,865.51, 169,559.86 and 69,154.00 is: 95,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,865.51 : 169,559.86 = 69,154.00 : x
  2. Step 2: Convert to fraction form
    122,865.51/169,559.86 = 69,154.00/x
  3. Step 3: Cross multiply
    122,865.51x = 169,559.86 × 69,154.00
  4. Step 4: Simplify right side
    122,865.51x = 11,725,742,850.60
  5. Step 5: Solve for x
    x = 11,725,742,850.60/122,865.51
  6. Step 6: Final answer
    x = 95,435.59

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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.