Home / 134,948.16-186,229.44-74,517.12

Finding the Fourth Proportional to 134,948.16, 186,229.44 and 74,517.12

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Solution

The fourth proportional to 134,948.16, 186,229.44 and 74,517.12 is: 102,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,948.16 : 186,229.44 = 74,517.12 : x
  2. Step 2: Convert to fraction form
    134,948.16/186,229.44 = 74,517.12/x
  3. Step 3: Cross multiply
    134,948.16x = 186,229.44 × 74,517.12
  4. Step 4: Simplify right side
    134,948.16x = 13,877,281,528.01
  5. Step 5: Solve for x
    x = 13,877,281,528.01/134,948.16
  6. Step 6: Final answer
    x = 102,834.17

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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.