Home / 117,578.05-162,258.93-63,864.11

Finding the Fourth Proportional to 117,578.05, 162,258.93 and 63,864.11

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Solution

The fourth proportional to 117,578.05, 162,258.93 and 63,864.11 is: 88,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,578.05 : 162,258.93 = 63,864.11 : x
  2. Step 2: Convert to fraction form
    117,578.05/162,258.93 = 63,864.11/x
  3. Step 3: Cross multiply
    117,578.05x = 162,258.93 × 63,864.11
  4. Step 4: Simplify right side
    117,578.05x = 10,362,522,559.65
  5. Step 5: Solve for x
    x = 10,362,522,559.65/117,578.05
  6. Step 6: Final answer
    x = 88,133.14

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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.