Home / 155,753.04-214,939.27-84,133.05

Finding the Fourth Proportional to 155,753.04, 214,939.27 and 84,133.05

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Solution

The fourth proportional to 155,753.04, 214,939.27 and 84,133.05 is: 116,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,753.04 : 214,939.27 = 84,133.05 : x
  2. Step 2: Convert to fraction form
    155,753.04/214,939.27 = 84,133.05/x
  3. Step 3: Cross multiply
    155,753.04x = 214,939.27 × 84,133.05
  4. Step 4: Simplify right side
    155,753.04x = 18,083,495,649.02
  5. Step 5: Solve for x
    x = 18,083,495,649.02/155,753.04
  6. Step 6: Final answer
    x = 116,103.64

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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.