Home / 155,997.84-215,223.60-127,267.44

Finding the Fourth Proportional to 155,997.84, 215,223.60 and 127,267.44

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Solution

The fourth proportional to 155,997.84, 215,223.60 and 127,267.44 is: 175,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,997.84 : 215,223.60 = 127,267.44 : x
  2. Step 2: Convert to fraction form
    155,997.84/215,223.60 = 127,267.44/x
  3. Step 3: Cross multiply
    155,997.84x = 215,223.60 × 127,267.44
  4. Step 4: Simplify right side
    155,997.84x = 27,390,956,599.58
  5. Step 5: Solve for x
    x = 27,390,956,599.58/155,997.84
  6. Step 6: Final answer
    x = 175,585.49

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1.5x scale

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.