Home / 112,525.84-155,162.01-72,224.38

Finding the Fourth Proportional to 112,525.84, 155,162.01 and 72,224.38

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Solution

The fourth proportional to 112,525.84, 155,162.01 and 72,224.38 is: 99,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,525.84 : 155,162.01 = 72,224.38 : x
  2. Step 2: Convert to fraction form
    112,525.84/155,162.01 = 72,224.38/x
  3. Step 3: Cross multiply
    112,525.84x = 155,162.01 × 72,224.38
  4. Step 4: Simplify right side
    112,525.84x = 11,206,479,971.80
  5. Step 5: Solve for x
    x = 11,206,479,971.80/112,525.84
  6. Step 6: Final answer
    x = 99,590.28

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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.