Home / 155,458.59-214,513.78-98,076.27

Finding the Fourth Proportional to 155,458.59, 214,513.78 and 98,076.27

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Solution

The fourth proportional to 155,458.59, 214,513.78 and 98,076.27 is: 135,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.59 : 214,513.78 = 98,076.27 : x
  2. Step 2: Convert to fraction form
    155,458.59/214,513.78 = 98,076.27/x
  3. Step 3: Cross multiply
    155,458.59x = 214,513.78 × 98,076.27
  4. Step 4: Simplify right side
    155,458.59x = 21,038,711,406.00
  5. Step 5: Solve for x
    x = 21,038,711,406.00/155,458.59
  6. Step 6: Final answer
    x = 135,333.22

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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.