Home / 163,530.80-245,296.20-137,092.40

Finding the Fourth Proportional to 163,530.80, 245,296.20 and 137,092.40

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Solution

The fourth proportional to 163,530.80, 245,296.20 and 137,092.40 is: 205,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530.80 : 245,296.20 = 137,092.40 : x
  2. Step 2: Convert to fraction form
    163,530.80/245,296.20 = 137,092.40/x
  3. Step 3: Cross multiply
    163,530.80x = 245,296.20 × 137,092.40
  4. Step 4: Simplify right side
    163,530.80x = 33,628,244,768.88
  5. Step 5: Solve for x
    x = 33,628,244,768.88/163,530.80
  6. Step 6: Final answer
    x = 205,638.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.