Home / 134,905.10-186,184.78-112,204.04

Finding the Fourth Proportional to 134,905.10, 186,184.78 and 112,204.04

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Solution

The fourth proportional to 134,905.10, 186,184.78 and 112,204.04 is: 154,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,905.10 : 186,184.78 = 112,204.04 : x
  2. Step 2: Convert to fraction form
    134,905.10/186,184.78 = 112,204.04/x
  3. Step 3: Cross multiply
    134,905.10x = 186,184.78 × 112,204.04
  4. Step 4: Simplify right side
    134,905.10x = 20,890,683,291.08
  5. Step 5: Solve for x
    x = 20,890,683,291.08/134,905.10
  6. Step 6: Final answer
    x = 154,854.66

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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.