Home / 135,324.29-186,746.14-74,895.05

Finding the Fourth Proportional to 135,324.29, 186,746.14 and 74,895.05

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Solution

The fourth proportional to 135,324.29, 186,746.14 and 74,895.05 is: 103,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,324.29 : 186,746.14 = 74,895.05 : x
  2. Step 2: Convert to fraction form
    135,324.29/186,746.14 = 74,895.05/x
  3. Step 3: Cross multiply
    135,324.29x = 186,746.14 × 74,895.05
  4. Step 4: Simplify right side
    135,324.29x = 13,986,361,492.61
  5. Step 5: Solve for x
    x = 13,986,361,492.61/135,324.29
  6. Step 6: Final answer
    x = 103,354.41

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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.