Home / 85,267.23-127,902.47-29,120.19

Finding the Fourth Proportional to 85,267.23, 127,902.47 and 29,120.19

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Solution

The fourth proportional to 85,267.23, 127,902.47 and 29,120.19 is: 43,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,267.23 : 127,902.47 = 29,120.19 : x
  2. Step 2: Convert to fraction form
    85,267.23/127,902.47 = 29,120.19/x
  3. Step 3: Cross multiply
    85,267.23x = 127,902.47 × 29,120.19
  4. Step 4: Simplify right side
    85,267.23x = 3,724,544,082.27
  5. Step 5: Solve for x
    x = 3,724,544,082.27/85,267.23
  6. Step 6: Final answer
    x = 43,680.84

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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.