Home / 90,438.00-124,804.76-50,155.48

Finding the Fourth Proportional to 90,438.00, 124,804.76 and 50,155.48

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Solution

The fourth proportional to 90,438.00, 124,804.76 and 50,155.48 is: 69,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,438.00 : 124,804.76 = 50,155.48 : x
  2. Step 2: Convert to fraction form
    90,438.00/124,804.76 = 50,155.48/x
  3. Step 3: Cross multiply
    90,438.00x = 124,804.76 × 50,155.48
  4. Step 4: Simplify right side
    90,438.00x = 6,259,642,393.31
  5. Step 5: Solve for x
    x = 6,259,642,393.31/90,438.00
  6. Step 6: Final answer
    x = 69,214.74

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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.