Home / 144,955.40-217,433.10-135,113.90

Finding the Fourth Proportional to 144,955.40, 217,433.10 and 135,113.90

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Solution

The fourth proportional to 144,955.40, 217,433.10 and 135,113.90 is: 202,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,955.40 : 217,433.10 = 135,113.90 : x
  2. Step 2: Convert to fraction form
    144,955.40/217,433.10 = 135,113.90/x
  3. Step 3: Cross multiply
    144,955.40x = 217,433.10 × 135,113.90
  4. Step 4: Simplify right side
    144,955.40x = 29,378,234,130.09
  5. Step 5: Solve for x
    x = 29,378,234,130.09/144,955.40
  6. Step 6: Final answer
    x = 202,670.85

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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.