Home / 162,215.76-243,346.68-49,905.36

Finding the Fourth Proportional to 162,215.76, 243,346.68 and 49,905.36

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Solution

The fourth proportional to 162,215.76, 243,346.68 and 49,905.36 is: 74,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,215.76 : 243,346.68 = 49,905.36 : x
  2. Step 2: Convert to fraction form
    162,215.76/243,346.68 = 49,905.36/x
  3. Step 3: Cross multiply
    162,215.76x = 243,346.68 × 49,905.36
  4. Step 4: Simplify right side
    162,215.76x = 12,144,303,670.20
  5. Step 5: Solve for x
    x = 12,144,303,670.20/162,215.76
  6. Step 6: Final answer
    x = 74,865.13

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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.