Home / 90,438.12-124,847.46-60,273.72

Finding the Fourth Proportional to 90,438.12, 124,847.46 and 60,273.72

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Solution

The fourth proportional to 90,438.12, 124,847.46 and 60,273.72 is: 83,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,438.12 : 124,847.46 = 60,273.72 : x
  2. Step 2: Convert to fraction form
    90,438.12/124,847.46 = 60,273.72/x
  3. Step 3: Cross multiply
    90,438.12x = 124,847.46 × 60,273.72
  4. Step 4: Simplify right side
    90,438.12x = 7,525,020,846.75
  5. Step 5: Solve for x
    x = 7,525,020,846.75/90,438.12
  6. Step 6: Final answer
    x = 83,206.29

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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.