Home / 112,881.40-169,322.10-103,204.60

Finding the Fourth Proportional to 112,881.40, 169,322.10 and 103,204.60

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Solution

The fourth proportional to 112,881.40, 169,322.10 and 103,204.60 is: 154,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,881.40 : 169,322.10 = 103,204.60 : x
  2. Step 2: Convert to fraction form
    112,881.40/169,322.10 = 103,204.60/x
  3. Step 3: Cross multiply
    112,881.40x = 169,322.10 × 103,204.60
  4. Step 4: Simplify right side
    112,881.40x = 17,474,819,601.66
  5. Step 5: Solve for x
    x = 17,474,819,601.66/112,881.40
  6. Step 6: Final answer
    x = 154,806.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.