Home / 121,817.60-167,462.08-104,759.36

Finding the Fourth Proportional to 121,817.60, 167,462.08 and 104,759.36

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Solution

The fourth proportional to 121,817.60, 167,462.08 and 104,759.36 is: 144,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,817.60 : 167,462.08 = 104,759.36 : x
  2. Step 2: Convert to fraction form
    121,817.60/167,462.08 = 104,759.36/x
  3. Step 3: Cross multiply
    121,817.60x = 167,462.08 × 104,759.36
  4. Step 4: Simplify right side
    121,817.60x = 17,543,220,325.07
  5. Step 5: Solve for x
    x = 17,543,220,325.07/121,817.60
  6. Step 6: Final answer
    x = 144,012.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.