Home / 112,701.75-155,533.28-62,400.75

Finding the Fourth Proportional to 112,701.75, 155,533.28 and 62,400.75

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Solution

The fourth proportional to 112,701.75, 155,533.28 and 62,400.75 is: 86,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.75 : 155,533.28 = 62,400.75 : x
  2. Step 2: Convert to fraction form
    112,701.75/155,533.28 = 62,400.75/x
  3. Step 3: Cross multiply
    112,701.75x = 155,533.28 × 62,400.75
  4. Step 4: Simplify right side
    112,701.75x = 9,705,393,321.96
  5. Step 5: Solve for x
    x = 9,705,393,321.96/112,701.75
  6. Step 6: Final answer
    x = 86,115.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.