Home / 117,698.16-162,421.55-63,984.53

Finding the Fourth Proportional to 117,698.16, 162,421.55 and 63,984.53

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Solution

The fourth proportional to 117,698.16, 162,421.55 and 63,984.53 is: 88,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,698.16 : 162,421.55 = 63,984.53 : x
  2. Step 2: Convert to fraction form
    117,698.16/162,421.55 = 63,984.53/x
  3. Step 3: Cross multiply
    117,698.16x = 162,421.55 × 63,984.53
  4. Step 4: Simplify right side
    117,698.16x = 10,392,466,538.62
  5. Step 5: Solve for x
    x = 10,392,466,538.62/117,698.16
  6. Step 6: Final answer
    x = 88,297.61

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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.