Home / 162,819.72-243,808.97-112,374.45

Finding the Fourth Proportional to 162,819.72, 243,808.97 and 112,374.45

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Solution

The fourth proportional to 162,819.72, 243,808.97 and 112,374.45 is: 168,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,819.72 : 243,808.97 = 112,374.45 : x
  2. Step 2: Convert to fraction form
    162,819.72/243,808.97 = 112,374.45/x
  3. Step 3: Cross multiply
    162,819.72x = 243,808.97 × 112,374.45
  4. Step 4: Simplify right side
    162,819.72x = 27,397,898,908.82
  5. Step 5: Solve for x
    x = 27,397,898,908.82/162,819.72
  6. Step 6: Final answer
    x = 168,271.38

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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.