Home / 75,006.06-112,506.12-18,846.60

Finding the Fourth Proportional to 75,006.06, 112,506.12 and 18,846.60

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Solution

The fourth proportional to 75,006.06, 112,506.12 and 18,846.60 is: 28,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,006.06 : 112,506.12 = 18,846.60 : x
  2. Step 2: Convert to fraction form
    75,006.06/112,506.12 = 18,846.60/x
  3. Step 3: Cross multiply
    75,006.06x = 112,506.12 × 18,846.60
  4. Step 4: Simplify right side
    75,006.06x = 2,120,357,841.19
  5. Step 5: Solve for x
    x = 2,120,357,841.19/75,006.06
  6. Step 6: Final answer
    x = 28,269.15

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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.