Home / 85,192.20-127,803.66-29,029.20

Finding the Fourth Proportional to 85,192.20, 127,803.66 and 29,029.20

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Solution

The fourth proportional to 85,192.20, 127,803.66 and 29,029.20 is: 43,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,192.20 : 127,803.66 = 29,029.20 : x
  2. Step 2: Convert to fraction form
    85,192.20/127,803.66 = 29,029.20/x
  3. Step 3: Cross multiply
    85,192.20x = 127,803.66 × 29,029.20
  4. Step 4: Simplify right side
    85,192.20x = 3,710,038,006.87
  5. Step 5: Solve for x
    x = 3,710,038,006.87/85,192.20
  6. Step 6: Final answer
    x = 43,549.03

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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.