Home / 135,024.40-202,536.60-108,780.40

Finding the Fourth Proportional to 135,024.40, 202,536.60 and 108,780.40

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Solution

The fourth proportional to 135,024.40, 202,536.60 and 108,780.40 is: 163,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.40 : 202,536.60 = 108,780.40 : x
  2. Step 2: Convert to fraction form
    135,024.40/202,536.60 = 108,780.40/x
  3. Step 3: Cross multiply
    135,024.40x = 202,536.60 × 108,780.40
  4. Step 4: Simplify right side
    135,024.40x = 22,032,012,362.64
  5. Step 5: Solve for x
    x = 22,032,012,362.64/135,024.40
  6. Step 6: Final answer
    x = 163,170.60

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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.