Home / 112,705.24-155,522.46-67,374.22

Finding the Fourth Proportional to 112,705.24, 155,522.46 and 67,374.22

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Solution

The fourth proportional to 112,705.24, 155,522.46 and 67,374.22 is: 92,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,705.24 : 155,522.46 = 67,374.22 : x
  2. Step 2: Convert to fraction form
    112,705.24/155,522.46 = 67,374.22/x
  3. Step 3: Cross multiply
    112,705.24x = 155,522.46 × 67,374.22
  4. Step 4: Simplify right side
    112,705.24x = 10,478,204,434.98
  5. Step 5: Solve for x
    x = 10,478,204,434.98/112,705.24
  6. Step 6: Final answer
    x = 92,969.98

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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.