Home / 90,903.96-125,340.12-62,237.52

Finding the Fourth Proportional to 90,903.96, 125,340.12 and 62,237.52

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Solution

The fourth proportional to 90,903.96, 125,340.12 and 62,237.52 is: 85,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,903.96 : 125,340.12 = 62,237.52 : x
  2. Step 2: Convert to fraction form
    90,903.96/125,340.12 = 62,237.52/x
  3. Step 3: Cross multiply
    90,903.96x = 125,340.12 × 62,237.52
  4. Step 4: Simplify right side
    90,903.96x = 7,800,858,225.30
  5. Step 5: Solve for x
    x = 7,800,858,225.30/90,903.96
  6. Step 6: Final answer
    x = 85,814.28

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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.