Home / 85,024.40-127,234.20-74,051.60

Finding the Fourth Proportional to 85,024.40, 127,234.20 and 74,051.60

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Solution

The fourth proportional to 85,024.40, 127,234.20 and 74,051.60 is: 110,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,024.40 : 127,234.20 = 74,051.60 : x
  2. Step 2: Convert to fraction form
    85,024.40/127,234.20 = 74,051.60/x
  3. Step 3: Cross multiply
    85,024.40x = 127,234.20 × 74,051.60
  4. Step 4: Simplify right side
    85,024.40x = 9,421,896,084.72
  5. Step 5: Solve for x
    x = 9,421,896,084.72/85,024.40
  6. Step 6: Final answer
    x = 110,814.03

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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.