Home / 98,103.07-135,384.83-55,085.99

Finding the Fourth Proportional to 98,103.07, 135,384.83 and 55,085.99

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Solution

The fourth proportional to 98,103.07, 135,384.83 and 55,085.99 is: 76,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.07 : 135,384.83 = 55,085.99 : x
  2. Step 2: Convert to fraction form
    98,103.07/135,384.83 = 55,085.99/x
  3. Step 3: Cross multiply
    98,103.07x = 135,384.83 × 55,085.99
  4. Step 4: Simplify right side
    98,103.07x = 7,457,807,914.98
  5. Step 5: Solve for x
    x = 7,457,807,914.98/98,103.07
  6. Step 6: Final answer
    x = 76,020.13

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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.