Home / 112,008.83-154,571.56-61,021.45

Finding the Fourth Proportional to 112,008.83, 154,571.56 and 61,021.45

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Solution

The fourth proportional to 112,008.83, 154,571.56 and 61,021.45 is: 84,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.83 : 154,571.56 = 61,021.45 : x
  2. Step 2: Convert to fraction form
    112,008.83/154,571.56 = 61,021.45/x
  3. Step 3: Cross multiply
    112,008.83x = 154,571.56 × 61,021.45
  4. Step 4: Simplify right side
    112,008.83x = 9,432,180,760.62
  5. Step 5: Solve for x
    x = 9,432,180,760.62/112,008.83
  6. Step 6: Final answer
    x = 84,209.26

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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.