Home / 94,160.70-129,942.54-51,720.18

Finding the Fourth Proportional to 94,160.70, 129,942.54 and 51,720.18

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Solution

The fourth proportional to 94,160.70, 129,942.54 and 51,720.18 is: 71,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,160.70 : 129,942.54 = 51,720.18 : x
  2. Step 2: Convert to fraction form
    94,160.70/129,942.54 = 51,720.18/x
  3. Step 3: Cross multiply
    94,160.70x = 129,942.54 × 51,720.18
  4. Step 4: Simplify right side
    94,160.70x = 6,720,651,558.46
  5. Step 5: Solve for x
    x = 6,720,651,558.46/94,160.70
  6. Step 6: Final answer
    x = 71,374.27

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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.