Home / 102,759.70-154,139.55-32,646.10

Finding the Fourth Proportional to 102,759.70, 154,139.55 and 32,646.10

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Solution

The fourth proportional to 102,759.70, 154,139.55 and 32,646.10 is: 48,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,759.70 : 154,139.55 = 32,646.10 : x
  2. Step 2: Convert to fraction form
    102,759.70/154,139.55 = 32,646.10/x
  3. Step 3: Cross multiply
    102,759.70x = 154,139.55 × 32,646.10
  4. Step 4: Simplify right side
    102,759.70x = 5,032,055,163.26
  5. Step 5: Solve for x
    x = 5,032,055,163.26/102,759.70
  6. Step 6: Final answer
    x = 48,969.15

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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.