Home / 112,491.05-155,240.09-67,160.58

Finding the Fourth Proportional to 112,491.05, 155,240.09 and 67,160.58

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Solution

The fourth proportional to 112,491.05, 155,240.09 and 67,160.58 is: 92,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,491.05 : 155,240.09 = 67,160.58 : x
  2. Step 2: Convert to fraction form
    112,491.05/155,240.09 = 67,160.58/x
  3. Step 3: Cross multiply
    112,491.05x = 155,240.09 × 67,160.58
  4. Step 4: Simplify right side
    112,491.05x = 10,426,014,359.06
  5. Step 5: Solve for x
    x = 10,426,014,359.06/112,491.05
  6. Step 6: Final answer
    x = 92,683.06

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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.