Home / 161,742.08-242,208-102,398.72

Finding the Fourth Proportional to 161,742.08, 242,208 and 102,398.72

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Solution

The fourth proportional to 161,742.08, 242,208 and 102,398.72 is: 153,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,742.08 : 242,208 = 102,398.72 : x
  2. Step 2: Convert to fraction form
    161,742.08/242,208 = 102,398.72/x
  3. Step 3: Cross multiply
    161,742.08x = 242,208 × 102,398.72
  4. Step 4: Simplify right side
    161,742.08x = 24,801,789,173.76
  5. Step 5: Solve for x
    x = 24,801,789,173.76/161,742.08
  6. Step 6: Final answer
    x = 153,341.60

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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.