Home / 163,530.80-245,296.20-107,543.60

Finding the Fourth Proportional to 163,530.80, 245,296.20 and 107,543.60

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Solution

The fourth proportional to 163,530.80, 245,296.20 and 107,543.60 is: 161,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530.80 : 245,296.20 = 107,543.60 : x
  2. Step 2: Convert to fraction form
    163,530.80/245,296.20 = 107,543.60/x
  3. Step 3: Cross multiply
    163,530.80x = 245,296.20 × 107,543.60
  4. Step 4: Simplify right side
    163,530.80x = 26,380,036,414.32
  5. Step 5: Solve for x
    x = 26,380,036,414.32/163,530.80
  6. Step 6: Final answer
    x = 161,315.40

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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.