Home / 155,310.47-214,276.90-126,580.73

Finding the Fourth Proportional to 155,310.47, 214,276.90 and 126,580.73

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Solution

The fourth proportional to 155,310.47, 214,276.90 and 126,580.73 is: 174,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,310.47 : 214,276.90 = 126,580.73 : x
  2. Step 2: Convert to fraction form
    155,310.47/214,276.90 = 126,580.73/x
  3. Step 3: Cross multiply
    155,310.47x = 214,276.90 × 126,580.73
  4. Step 4: Simplify right side
    155,310.47x = 27,123,326,424.14
  5. Step 5: Solve for x
    x = 27,123,326,424.14/155,310.47
  6. Step 6: Final answer
    x = 174,639.39

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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.