Home / 90,845.46-125,259.48-62,178.93

Finding the Fourth Proportional to 90,845.46, 125,259.48 and 62,178.93

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Solution

The fourth proportional to 90,845.46, 125,259.48 and 62,178.93 is: 85,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.46 : 125,259.48 = 62,178.93 : x
  2. Step 2: Convert to fraction form
    90,845.46/125,259.48 = 62,178.93/x
  3. Step 3: Cross multiply
    90,845.46x = 125,259.48 × 62,178.93
  4. Step 4: Simplify right side
    90,845.46x = 7,788,500,438.76
  5. Step 5: Solve for x
    x = 7,788,500,438.76/90,845.46
  6. Step 6: Final answer
    x = 85,733.51

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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.