Home / 112,329.74-168,491.36-45,753.40

Finding the Fourth Proportional to 112,329.74, 168,491.36 and 45,753.40

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Solution

The fourth proportional to 112,329.74, 168,491.36 and 45,753.40 is: 68,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329.74 : 168,491.36 = 45,753.40 : x
  2. Step 2: Convert to fraction form
    112,329.74/168,491.36 = 45,753.40/x
  3. Step 3: Cross multiply
    112,329.74x = 168,491.36 × 45,753.40
  4. Step 4: Simplify right side
    112,329.74x = 7,709,052,590.62
  5. Step 5: Solve for x
    x = 7,709,052,590.62/112,329.74
  6. Step 6: Final answer
    x = 68,628.78

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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.