Home / 155,129.56-214,072.86-94,801.12

Finding the Fourth Proportional to 155,129.56, 214,072.86 and 94,801.12

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Solution

The fourth proportional to 155,129.56, 214,072.86 and 94,801.12 is: 130,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,129.56 : 214,072.86 = 94,801.12 : x
  2. Step 2: Convert to fraction form
    155,129.56/214,072.86 = 94,801.12/x
  3. Step 3: Cross multiply
    155,129.56x = 214,072.86 × 94,801.12
  4. Step 4: Simplify right side
    155,129.56x = 20,294,346,889.60
  5. Step 5: Solve for x
    x = 20,294,346,889.60/155,129.56
  6. Step 6: Final answer
    x = 130,821.92

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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.