Home / 90,313.95-135,472.29-34,180.50

Finding the Fourth Proportional to 90,313.95, 135,472.29 and 34,180.50

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Solution

The fourth proportional to 90,313.95, 135,472.29 and 34,180.50 is: 51,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.95 : 135,472.29 = 34,180.50 : x
  2. Step 2: Convert to fraction form
    90,313.95/135,472.29 = 34,180.50/x
  3. Step 3: Cross multiply
    90,313.95x = 135,472.29 × 34,180.50
  4. Step 4: Simplify right side
    90,313.95x = 4,630,510,608.35
  5. Step 5: Solve for x
    x = 4,630,510,608.35/90,313.95
  6. Step 6: Final answer
    x = 51,271.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.