Home / 90,177.67-124,485.05-53,891.92

Finding the Fourth Proportional to 90,177.67, 124,485.05 and 53,891.92

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Solution

The fourth proportional to 90,177.67, 124,485.05 and 53,891.92 is: 74,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,177.67 : 124,485.05 = 53,891.92 : x
  2. Step 2: Convert to fraction form
    90,177.67/124,485.05 = 53,891.92/x
  3. Step 3: Cross multiply
    90,177.67x = 124,485.05 × 53,891.92
  4. Step 4: Simplify right side
    90,177.67x = 6,708,737,775.12
  5. Step 5: Solve for x
    x = 6,708,737,775.12/90,177.67
  6. Step 6: Final answer
    x = 74,394.67

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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.