Home / 90,445.50-124,814.82-50,165.46

Finding the Fourth Proportional to 90,445.50, 124,814.82 and 50,165.46

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Solution

The fourth proportional to 90,445.50, 124,814.82 and 50,165.46 is: 69,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,445.50 : 124,814.82 = 50,165.46 : x
  2. Step 2: Convert to fraction form
    90,445.50/124,814.82 = 50,165.46/x
  3. Step 3: Cross multiply
    90,445.50x = 124,814.82 × 50,165.46
  4. Step 4: Simplify right side
    90,445.50x = 6,261,392,860.12
  5. Step 5: Solve for x
    x = 6,261,392,860.12/90,445.50
  6. Step 6: Final answer
    x = 69,228.35

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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.