Home / 155,730.52-214,908.18-84,110.52

Finding the Fourth Proportional to 155,730.52, 214,908.18 and 84,110.52

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Solution

The fourth proportional to 155,730.52, 214,908.18 and 84,110.52 is: 116,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,730.52 : 214,908.18 = 84,110.52 : x
  2. Step 2: Convert to fraction form
    155,730.52/214,908.18 = 84,110.52/x
  3. Step 3: Cross multiply
    155,730.52x = 214,908.18 × 84,110.52
  4. Step 4: Simplify right side
    155,730.52x = 18,076,038,772.05
  5. Step 5: Solve for x
    x = 18,076,038,772.05/155,730.52
  6. Step 6: Final answer
    x = 116,072.55

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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.