Home / 102,631.80-154,106.10-55,975.80

Finding the Fourth Proportional to 102,631.80, 154,106.10 and 55,975.80

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Solution

The fourth proportional to 102,631.80, 154,106.10 and 55,975.80 is: 84,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,631.80 : 154,106.10 = 55,975.80 : x
  2. Step 2: Convert to fraction form
    102,631.80/154,106.10 = 55,975.80/x
  3. Step 3: Cross multiply
    102,631.80x = 154,106.10 × 55,975.80
  4. Step 4: Simplify right side
    102,631.80x = 8,626,212,232.38
  5. Step 5: Solve for x
    x = 8,626,212,232.38/102,631.80
  6. Step 6: Final answer
    x = 84,050.09

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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.