Home / 155,056.72-213,998.12-94,614.57

Finding the Fourth Proportional to 155,056.72, 213,998.12 and 94,614.57

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Solution

The fourth proportional to 155,056.72, 213,998.12 and 94,614.57 is: 130,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,056.72 : 213,998.12 = 94,614.57 : x
  2. Step 2: Convert to fraction form
    155,056.72/213,998.12 = 94,614.57/x
  3. Step 3: Cross multiply
    155,056.72x = 213,998.12 × 94,614.57
  4. Step 4: Simplify right side
    155,056.72x = 20,247,340,104.61
  5. Step 5: Solve for x
    x = 20,247,340,104.61/155,056.72
  6. Step 6: Final answer
    x = 130,580.22

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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.