Home / 117,258.17-161,815.86-63,544.50

Finding the Fourth Proportional to 117,258.17, 161,815.86 and 63,544.50

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Solution

The fourth proportional to 117,258.17, 161,815.86 and 63,544.50 is: 87,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,258.17 : 161,815.86 = 63,544.50 : x
  2. Step 2: Convert to fraction form
    117,258.17/161,815.86 = 63,544.50/x
  3. Step 3: Cross multiply
    117,258.17x = 161,815.86 × 63,544.50
  4. Step 4: Simplify right side
    117,258.17x = 10,282,507,915.77
  5. Step 5: Solve for x
    x = 10,282,507,915.77/117,258.17
  6. Step 6: Final answer
    x = 87,691.19

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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.