Home / 118,421.75-163,422.05-63,973.94

Finding the Fourth Proportional to 118,421.75, 163,422.05 and 63,973.94

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Solution

The fourth proportional to 118,421.75, 163,422.05 and 63,973.94 is: 88,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,421.75 : 163,422.05 = 63,973.94 : x
  2. Step 2: Convert to fraction form
    118,421.75/163,422.05 = 63,973.94/x
  3. Step 3: Cross multiply
    118,421.75x = 163,422.05 × 63,973.94
  4. Step 4: Simplify right side
    118,421.75x = 10,454,751,764.20
  5. Step 5: Solve for x
    x = 10,454,751,764.20/118,421.75
  6. Step 6: Final answer
    x = 88,284.05

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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.