Home / 90,164.34-124,427.34-52,438.59

Finding the Fourth Proportional to 90,164.34, 124,427.34 and 52,438.59

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Solution

The fourth proportional to 90,164.34, 124,427.34 and 52,438.59 is: 72,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164.34 : 124,427.34 = 52,438.59 : x
  2. Step 2: Convert to fraction form
    90,164.34/124,427.34 = 52,438.59/x
  3. Step 3: Cross multiply
    90,164.34x = 124,427.34 × 52,438.59
  4. Step 4: Simplify right side
    90,164.34x = 6,524,794,267.05
  5. Step 5: Solve for x
    x = 6,524,794,267.05/90,164.34
  6. Step 6: Final answer
    x = 72,365.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.