Home / 112,015.61-168,005.18-45,453.05

Finding the Fourth Proportional to 112,015.61, 168,005.18 and 45,453.05

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Solution

The fourth proportional to 112,015.61, 168,005.18 and 45,453.05 is: 68,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.61 : 168,005.18 = 45,453.05 : x
  2. Step 2: Convert to fraction form
    112,015.61/168,005.18 = 45,453.05/x
  3. Step 3: Cross multiply
    112,015.61x = 168,005.18 × 45,453.05
  4. Step 4: Simplify right side
    112,015.61x = 7,636,347,006.77
  5. Step 5: Solve for x
    x = 7,636,347,006.77/112,015.61
  6. Step 6: Final answer
    x = 68,172.17

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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.