Home / 131,284.00-181,194.60-76,085.62

Finding the Fourth Proportional to 131,284.00, 181,194.60 and 76,085.62

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Solution

The fourth proportional to 131,284.00, 181,194.60 and 76,085.62 is: 105,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,284.00 : 181,194.60 = 76,085.62 : x
  2. Step 2: Convert to fraction form
    131,284.00/181,194.60 = 76,085.62/x
  3. Step 3: Cross multiply
    131,284.00x = 181,194.60 × 76,085.62
  4. Step 4: Simplify right side
    131,284.00x = 13,786,302,898.69
  5. Step 5: Solve for x
    x = 13,786,302,898.69/131,284.00
  6. Step 6: Final answer
    x = 105,011.30

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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.