Home / 96,998.34-145,499.40-30,440.64

Finding the Fourth Proportional to 96,998.34, 145,499.40 and 30,440.64

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Solution

The fourth proportional to 96,998.34, 145,499.40 and 30,440.64 is: 45,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.34 : 145,499.40 = 30,440.64 : x
  2. Step 2: Convert to fraction form
    96,998.34/145,499.40 = 30,440.64/x
  3. Step 3: Cross multiply
    96,998.34x = 145,499.40 × 30,440.64
  4. Step 4: Simplify right side
    96,998.34x = 4,429,094,855.62
  5. Step 5: Solve for x
    x = 4,429,094,855.62/96,998.34
  6. Step 6: Final answer
    x = 45,661.55

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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.