Home / 134,834.88-186,064.11-74,411.21

Finding the Fourth Proportional to 134,834.88, 186,064.11 and 74,411.21

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Solution

The fourth proportional to 134,834.88, 186,064.11 and 74,411.21 is: 102,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.88 : 186,064.11 = 74,411.21 : x
  2. Step 2: Convert to fraction form
    134,834.88/186,064.11 = 74,411.21/x
  3. Step 3: Cross multiply
    134,834.88x = 186,064.11 × 74,411.21
  4. Step 4: Simplify right side
    134,834.88x = 13,845,255,190.50
  5. Step 5: Solve for x
    x = 13,845,255,190.50/134,834.88
  6. Step 6: Final answer
    x = 102,683.04

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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.