Home / 161,875.40-242,813.10-136,214.60

Finding the Fourth Proportional to 161,875.40, 242,813.10 and 136,214.60

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Solution

The fourth proportional to 161,875.40, 242,813.10 and 136,214.60 is: 204,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,875.40 : 242,813.10 = 136,214.60 : x
  2. Step 2: Convert to fraction form
    161,875.40/242,813.10 = 136,214.60/x
  3. Step 3: Cross multiply
    161,875.40x = 242,813.10 × 136,214.60
  4. Step 4: Simplify right side
    161,875.40x = 33,074,689,291.26
  5. Step 5: Solve for x
    x = 33,074,689,291.26/161,875.40
  6. Step 6: Final answer
    x = 204,321.90

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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.