Home / 161,784.60-242,936.10-109,426.20

Finding the Fourth Proportional to 161,784.60, 242,936.10 and 109,426.20

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Solution

The fourth proportional to 161,784.60, 242,936.10 and 109,426.20 is: 164,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,784.60 : 242,936.10 = 109,426.20 : x
  2. Step 2: Convert to fraction form
    161,784.60/242,936.10 = 109,426.20/x
  3. Step 3: Cross multiply
    161,784.60x = 242,936.10 × 109,426.20
  4. Step 4: Simplify right side
    161,784.60x = 26,583,574,265.82
  5. Step 5: Solve for x
    x = 26,583,574,265.82/161,784.60
  6. Step 6: Final answer
    x = 164,314.62

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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.