Home / 85,130.82-127,703.52-35,201.34

Finding the Fourth Proportional to 85,130.82, 127,703.52 and 35,201.34

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Solution

The fourth proportional to 85,130.82, 127,703.52 and 35,201.34 is: 52,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130.82 : 127,703.52 = 35,201.34 : x
  2. Step 2: Convert to fraction form
    85,130.82/127,703.52 = 35,201.34/x
  3. Step 3: Cross multiply
    85,130.82x = 127,703.52 × 35,201.34
  4. Step 4: Simplify right side
    85,130.82x = 4,495,335,026.72
  5. Step 5: Solve for x
    x = 4,495,335,026.72/85,130.82
  6. Step 6: Final answer
    x = 52,805.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.