Home / 134,880.25-186,134.76-74,450.91

Finding the Fourth Proportional to 134,880.25, 186,134.76 and 74,450.91

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Solution

The fourth proportional to 134,880.25, 186,134.76 and 74,450.91 is: 102,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,880.25 : 186,134.76 = 74,450.91 : x
  2. Step 2: Convert to fraction form
    134,880.25/186,134.76 = 74,450.91/x
  3. Step 3: Cross multiply
    134,880.25x = 186,134.76 × 74,450.91
  4. Step 4: Simplify right side
    134,880.25x = 13,857,901,892.38
  5. Step 5: Solve for x
    x = 13,857,901,892.38/134,880.25
  6. Step 6: Final answer
    x = 102,742.26

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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.