Home / 90,789.08-136,254.08-62,904.62

Finding the Fourth Proportional to 90,789.08, 136,254.08 and 62,904.62

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Solution

The fourth proportional to 90,789.08, 136,254.08 and 62,904.62 is: 94,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,789.08 : 136,254.08 = 62,904.62 : x
  2. Step 2: Convert to fraction form
    90,789.08/136,254.08 = 62,904.62/x
  3. Step 3: Cross multiply
    90,789.08x = 136,254.08 × 62,904.62
  4. Step 4: Simplify right side
    90,789.08x = 8,571,011,623.75
  5. Step 5: Solve for x
    x = 8,571,011,623.75/90,789.08
  6. Step 6: Final answer
    x = 94,405.76

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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.