Home / 134,113.70-184,999.90-83,725.22

Finding the Fourth Proportional to 134,113.70, 184,999.90 and 83,725.22

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Solution

The fourth proportional to 134,113.70, 184,999.90 and 83,725.22 is: 115,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,113.70 : 184,999.90 = 83,725.22 : x
  2. Step 2: Convert to fraction form
    134,113.70/184,999.90 = 83,725.22/x
  3. Step 3: Cross multiply
    134,113.70x = 184,999.90 × 83,725.22
  4. Step 4: Simplify right side
    134,113.70x = 15,489,156,402.48
  5. Step 5: Solve for x
    x = 15,489,156,402.48/134,113.70
  6. Step 6: Final answer
    x = 115,492.73

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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.