Home / 135,414.09-203,140.05-56,510.25

Finding the Fourth Proportional to 135,414.09, 203,140.05 and 56,510.25

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Solution

The fourth proportional to 135,414.09, 203,140.05 and 56,510.25 is: 84,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,414.09 : 203,140.05 = 56,510.25 : x
  2. Step 2: Convert to fraction form
    135,414.09/203,140.05 = 56,510.25/x
  3. Step 3: Cross multiply
    135,414.09x = 203,140.05 × 56,510.25
  4. Step 4: Simplify right side
    135,414.09x = 11,479,495,010.51
  5. Step 5: Solve for x
    x = 11,479,495,010.51/135,414.09
  6. Step 6: Final answer
    x = 84,773.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.