Home / 163,561.20-245,341.80-100,575.60

Finding the Fourth Proportional to 163,561.20, 245,341.80 and 100,575.60

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Solution

The fourth proportional to 163,561.20, 245,341.80 and 100,575.60 is: 150,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,561.20 : 245,341.80 = 100,575.60 : x
  2. Step 2: Convert to fraction form
    163,561.20/245,341.80 = 100,575.60/x
  3. Step 3: Cross multiply
    163,561.20x = 245,341.80 × 100,575.60
  4. Step 4: Simplify right side
    163,561.20x = 24,675,398,740.08
  5. Step 5: Solve for x
    x = 24,675,398,740.08/163,561.20
  6. Step 6: Final answer
    x = 150,863.40

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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.