Home / 96,998.09-145,497.15-30,443.40

Finding the Fourth Proportional to 96,998.09, 145,497.15 and 30,443.40

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Solution

The fourth proportional to 96,998.09, 145,497.15 and 30,443.40 is: 45,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.09 : 145,497.15 = 30,443.40 : x
  2. Step 2: Convert to fraction form
    96,998.09/145,497.15 = 30,443.40/x
  3. Step 3: Cross multiply
    96,998.09x = 145,497.15 × 30,443.40
  4. Step 4: Simplify right side
    96,998.09x = 4,429,427,936.31
  5. Step 5: Solve for x
    x = 4,429,427,936.31/96,998.09
  6. Step 6: Final answer
    x = 45,665.11

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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.