Home / 163,246.88-225,297.96-91,627.40

Finding the Fourth Proportional to 163,246.88, 225,297.96 and 91,627.40

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Solution

The fourth proportional to 163,246.88, 225,297.96 and 91,627.40 is: 126,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,246.88 : 225,297.96 = 91,627.40 : x
  2. Step 2: Convert to fraction form
    163,246.88/225,297.96 = 91,627.40/x
  3. Step 3: Cross multiply
    163,246.88x = 225,297.96 × 91,627.40
  4. Step 4: Simplify right side
    163,246.88x = 20,643,466,300.10
  5. Step 5: Solve for x
    x = 20,643,466,300.10/163,246.88
  6. Step 6: Final answer
    x = 126,455.50

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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.