Home / 155,078.56-214,031.96-94,684.40

Finding the Fourth Proportional to 155,078.56, 214,031.96 and 94,684.40

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Solution

The fourth proportional to 155,078.56, 214,031.96 and 94,684.40 is: 130,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,078.56 : 214,031.96 = 94,684.40 : x
  2. Step 2: Convert to fraction form
    155,078.56/214,031.96 = 94,684.40/x
  3. Step 3: Cross multiply
    155,078.56x = 214,031.96 × 94,684.40
  4. Step 4: Simplify right side
    155,078.56x = 20,265,487,713.42
  5. Step 5: Solve for x
    x = 20,265,487,713.42/155,078.56
  6. Step 6: Final answer
    x = 130,678.85

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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.