Home / 163,321.52-225,376.40-91,700.24

Finding the Fourth Proportional to 163,321.52, 225,376.40 and 91,700.24

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Solution

The fourth proportional to 163,321.52, 225,376.40 and 91,700.24 is: 126,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,321.52 : 225,376.40 = 91,700.24 : x
  2. Step 2: Convert to fraction form
    163,321.52/225,376.40 = 91,700.24/x
  3. Step 3: Cross multiply
    163,321.52x = 225,376.40 × 91,700.24
  4. Step 4: Simplify right side
    163,321.52x = 20,667,069,970.34
  5. Step 5: Solve for x
    x = 20,667,069,970.34/163,321.52
  6. Step 6: Final answer
    x = 126,542.23

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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.