Home / 155,171.40-232,757.10-84,312.60

Finding the Fourth Proportional to 155,171.40, 232,757.10 and 84,312.60

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Solution

The fourth proportional to 155,171.40, 232,757.10 and 84,312.60 is: 126,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,171.40 : 232,757.10 = 84,312.60 : x
  2. Step 2: Convert to fraction form
    155,171.40/232,757.10 = 84,312.60/x
  3. Step 3: Cross multiply
    155,171.40x = 232,757.10 × 84,312.60
  4. Step 4: Simplify right side
    155,171.40x = 19,624,356,269.46
  5. Step 5: Solve for x
    x = 19,624,356,269.46/155,171.40
  6. Step 6: Final answer
    x = 126,468.90

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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.