Home / 155,595.32-214,269.70-135,168.04

Finding the Fourth Proportional to 155,595.32, 214,269.70 and 135,168.04

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Solution

The fourth proportional to 155,595.32, 214,269.70 and 135,168.04 is: 186,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,595.32 : 214,269.70 = 135,168.04 : x
  2. Step 2: Convert to fraction form
    155,595.32/214,269.70 = 135,168.04/x
  3. Step 3: Cross multiply
    155,595.32x = 214,269.70 × 135,168.04
  4. Step 4: Simplify right side
    155,595.32x = 28,962,415,380.39
  5. Step 5: Solve for x
    x = 28,962,415,380.39/155,595.32
  6. Step 6: Final answer
    x = 186,139.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.