Home / 90,164.51-135,259.07-37,561.70

Finding the Fourth Proportional to 90,164.51, 135,259.07 and 37,561.70

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Solution

The fourth proportional to 90,164.51, 135,259.07 and 37,561.70 is: 56,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164.51 : 135,259.07 = 37,561.70 : x
  2. Step 2: Convert to fraction form
    90,164.51/135,259.07 = 37,561.70/x
  3. Step 3: Cross multiply
    90,164.51x = 135,259.07 × 37,561.70
  4. Step 4: Simplify right side
    90,164.51x = 5,080,559,745.52
  5. Step 5: Solve for x
    x = 5,080,559,745.52/90,164.51
  6. Step 6: Final answer
    x = 56,347.67

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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.