Home / 90,053.27-135,171.30-45,106.83

Finding the Fourth Proportional to 90,053.27, 135,171.30 and 45,106.83

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Solution

The fourth proportional to 90,053.27, 135,171.30 and 45,106.83 is: 67,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,053.27 : 135,171.30 = 45,106.83 : x
  2. Step 2: Convert to fraction form
    90,053.27/135,171.30 = 45,106.83/x
  3. Step 3: Cross multiply
    90,053.27x = 135,171.30 × 45,106.83
  4. Step 4: Simplify right side
    90,053.27x = 6,097,148,849.98
  5. Step 5: Solve for x
    x = 6,097,148,849.98/90,053.27
  6. Step 6: Final answer
    x = 67,706.03

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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.