Home / 117,830.40-162,583.56-70,095.84

Finding the Fourth Proportional to 117,830.40, 162,583.56 and 70,095.84

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Solution

The fourth proportional to 117,830.40, 162,583.56 and 70,095.84 is: 96,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,830.40 : 162,583.56 = 70,095.84 : x
  2. Step 2: Convert to fraction form
    117,830.40/162,583.56 = 70,095.84/x
  3. Step 3: Cross multiply
    117,830.40x = 162,583.56 × 70,095.84
  4. Step 4: Simplify right side
    117,830.40x = 11,396,431,208.39
  5. Step 5: Solve for x
    x = 11,396,431,208.39/117,830.40
  6. Step 6: Final answer
    x = 96,718.94

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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.