Home / 112,005.45-168,007.86-92,242.26

Finding the Fourth Proportional to 112,005.45, 168,007.86 and 92,242.26

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Solution

The fourth proportional to 112,005.45, 168,007.86 and 92,242.26 is: 138,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.45 : 168,007.86 = 92,242.26 : x
  2. Step 2: Convert to fraction form
    112,005.45/168,007.86 = 92,242.26/x
  3. Step 3: Cross multiply
    112,005.45x = 168,007.86 × 92,242.26
  4. Step 4: Simplify right side
    112,005.45x = 15,497,424,704.16
  5. Step 5: Solve for x
    x = 15,497,424,704.16/112,005.45
  6. Step 6: Final answer
    x = 138,363.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.