Home / 103,898.08-155,847.12-83,252.80

Finding the Fourth Proportional to 103,898.08, 155,847.12 and 83,252.80

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Solution

The fourth proportional to 103,898.08, 155,847.12 and 83,252.80 is: 124,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,898.08 : 155,847.12 = 83,252.80 : x
  2. Step 2: Convert to fraction form
    103,898.08/155,847.12 = 83,252.80/x
  3. Step 3: Cross multiply
    103,898.08x = 155,847.12 × 83,252.80
  4. Step 4: Simplify right side
    103,898.08x = 12,974,709,111.94
  5. Step 5: Solve for x
    x = 12,974,709,111.94/103,898.08
  6. Step 6: Final answer
    x = 124,879.20

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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.