Home / 163,349.02-225,420.78-91,735.30

Finding the Fourth Proportional to 163,349.02, 225,420.78 and 91,735.30

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Solution

The fourth proportional to 163,349.02, 225,420.78 and 91,735.30 is: 126,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,349.02 : 225,420.78 = 91,735.30 : x
  2. Step 2: Convert to fraction form
    163,349.02/225,420.78 = 91,735.30/x
  3. Step 3: Cross multiply
    163,349.02x = 225,420.78 × 91,735.30
  4. Step 4: Simplify right side
    163,349.02x = 20,679,042,879.53
  5. Step 5: Solve for x
    x = 20,679,042,879.53/163,349.02
  6. Step 6: Final answer
    x = 126,594.23

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1.5x scale

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.