Home / 90,002.60-134,895.90-61,922.60

Finding the Fourth Proportional to 90,002.60, 134,895.90 and 61,922.60

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Solution

The fourth proportional to 90,002.60, 134,895.90 and 61,922.60 is: 92,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002.60 : 134,895.90 = 61,922.60 : x
  2. Step 2: Convert to fraction form
    90,002.60/134,895.90 = 61,922.60/x
  3. Step 3: Cross multiply
    90,002.60x = 134,895.90 × 61,922.60
  4. Step 4: Simplify right side
    90,002.60x = 8,353,104,857.34
  5. Step 5: Solve for x
    x = 8,353,104,857.34/90,002.60
  6. Step 6: Final answer
    x = 92,809.60

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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.