Home / 161,705.60-242,558.40-73,001.60

Finding the Fourth Proportional to 161,705.60, 242,558.40 and 73,001.60

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Solution

The fourth proportional to 161,705.60, 242,558.40 and 73,001.60 is: 109,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705.60 : 242,558.40 = 73,001.60 : x
  2. Step 2: Convert to fraction form
    161,705.60/242,558.40 = 73,001.60/x
  3. Step 3: Cross multiply
    161,705.60x = 242,558.40 × 73,001.60
  4. Step 4: Simplify right side
    161,705.60x = 17,707,151,293.44
  5. Step 5: Solve for x
    x = 17,707,151,293.44/161,705.60
  6. Step 6: Final answer
    x = 109,502.40

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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.