Home / 90,538.21-124,948.70-52,299.37

Finding the Fourth Proportional to 90,538.21, 124,948.70 and 52,299.37

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Solution

The fourth proportional to 90,538.21, 124,948.70 and 52,299.37 is: 72,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.21 : 124,948.70 = 52,299.37 : x
  2. Step 2: Convert to fraction form
    90,538.21/124,948.70 = 52,299.37/x
  3. Step 3: Cross multiply
    90,538.21x = 124,948.70 × 52,299.37
  4. Step 4: Simplify right side
    90,538.21x = 6,534,738,292.32
  5. Step 5: Solve for x
    x = 6,534,738,292.32/90,538.21
  6. Step 6: Final answer
    x = 72,176.58

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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.