Home / 112,071.68-154,659.03-61,084.45

Finding the Fourth Proportional to 112,071.68, 154,659.03 and 61,084.45

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Solution

The fourth proportional to 112,071.68, 154,659.03 and 61,084.45 is: 84,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071.68 : 154,659.03 = 61,084.45 : x
  2. Step 2: Convert to fraction form
    112,071.68/154,659.03 = 61,084.45/x
  3. Step 3: Cross multiply
    112,071.68x = 154,659.03 × 61,084.45
  4. Step 4: Simplify right side
    112,071.68x = 9,447,261,961.35
  5. Step 5: Solve for x
    x = 9,447,261,961.35/112,071.68
  6. Step 6: Final answer
    x = 84,296.61

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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.