Home / 245,272.98-368,026.10-112,143

Finding the Fourth Proportional to 245,272.98, 368,026.10 and 112,143

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Solution

The fourth proportional to 245,272.98, 368,026.10 and 112,143 is: 168,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,272.98 : 368,026.10 = 112,143 : x
  2. Step 2: Convert to fraction form
    245,272.98/368,026.10 = 112,143/x
  3. Step 3: Cross multiply
    245,272.98x = 368,026.10 × 112,143
  4. Step 4: Simplify right side
    245,272.98x = 41,271,550,932.30
  5. Step 5: Solve for x
    x = 41,271,550,932.30/245,272.98
  6. Step 6: Final answer
    x = 168,267.83

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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.