Home / 90,430.52-124,795.61-50,145.98

Finding the Fourth Proportional to 90,430.52, 124,795.61 and 50,145.98

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Solution

The fourth proportional to 90,430.52, 124,795.61 and 50,145.98 is: 69,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,430.52 : 124,795.61 = 50,145.98 : x
  2. Step 2: Convert to fraction form
    90,430.52/124,795.61 = 50,145.98/x
  3. Step 3: Cross multiply
    90,430.52x = 124,795.61 × 50,145.98
  4. Step 4: Simplify right side
    90,430.52x = 6,257,997,288.44
  5. Step 5: Solve for x
    x = 6,257,997,288.44/90,430.52
  6. Step 6: Final answer
    x = 69,202.27

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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.