Home / 84,212.32-125,586.52-83,082.40

Finding the Fourth Proportional to 84,212.32, 125,586.52 and 83,082.40

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Solution

The fourth proportional to 84,212.32, 125,586.52 and 83,082.40 is: 123,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,212.32 : 125,586.52 = 83,082.40 : x
  2. Step 2: Convert to fraction form
    84,212.32/125,586.52 = 83,082.40/x
  3. Step 3: Cross multiply
    84,212.32x = 125,586.52 × 83,082.40
  4. Step 4: Simplify right side
    84,212.32x = 10,434,029,489.25
  5. Step 5: Solve for x
    x = 10,434,029,489.25/84,212.32
  6. Step 6: Final answer
    x = 123,901.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.