Home / 103,484.08-155,227.20-82,838.80

Finding the Fourth Proportional to 103,484.08, 155,227.20 and 82,838.80

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Solution

The fourth proportional to 103,484.08, 155,227.20 and 82,838.80 is: 124,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484.08 : 155,227.20 = 82,838.80 : x
  2. Step 2: Convert to fraction form
    103,484.08/155,227.20 = 82,838.80/x
  3. Step 3: Cross multiply
    103,484.08x = 155,227.20 × 82,838.80
  4. Step 4: Simplify right side
    103,484.08x = 12,858,834,975.36
  5. Step 5: Solve for x
    x = 12,858,834,975.36/103,484.08
  6. Step 6: Final answer
    x = 124,259.06

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1.5x scale

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.