Home / 103,974.42-143,485.04-56,228.10

Finding the Fourth Proportional to 103,974.42, 143,485.04 and 56,228.10

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Solution

The fourth proportional to 103,974.42, 143,485.04 and 56,228.10 is: 77,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.42 : 143,485.04 = 56,228.10 : x
  2. Step 2: Convert to fraction form
    103,974.42/143,485.04 = 56,228.10/x
  3. Step 3: Cross multiply
    103,974.42x = 143,485.04 × 56,228.10
  4. Step 4: Simplify right side
    103,974.42x = 8,067,891,177.62
  5. Step 5: Solve for x
    x = 8,067,891,177.62/103,974.42
  6. Step 6: Final answer
    x = 77,594.96

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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.