Home / 112,535.62-155,225.99-72,185.48

Finding the Fourth Proportional to 112,535.62, 155,225.99 and 72,185.48

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Solution

The fourth proportional to 112,535.62, 155,225.99 and 72,185.48 is: 99,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.62 : 155,225.99 = 72,185.48 : x
  2. Step 2: Convert to fraction form
    112,535.62/155,225.99 = 72,185.48/x
  3. Step 3: Cross multiply
    112,535.62x = 155,225.99 × 72,185.48
  4. Step 4: Simplify right side
    112,535.62x = 11,205,062,596.63
  5. Step 5: Solve for x
    x = 11,205,062,596.63/112,535.62
  6. Step 6: Final answer
    x = 99,569.03

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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.