Home / 132,163.49-197,995.55-102,435.78

Finding the Fourth Proportional to 132,163.49, 197,995.55 and 102,435.78

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Solution

The fourth proportional to 132,163.49, 197,995.55 and 102,435.78 is: 153,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,163.49 : 197,995.55 = 102,435.78 : x
  2. Step 2: Convert to fraction form
    132,163.49/197,995.55 = 102,435.78/x
  3. Step 3: Cross multiply
    132,163.49x = 197,995.55 × 102,435.78
  4. Step 4: Simplify right side
    132,163.49x = 20,281,827,510.95
  5. Step 5: Solve for x
    x = 20,281,827,510.95/132,163.49
  6. Step 6: Final answer
    x = 153,460.14

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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.