Home / 144,622.10-216,933.15-131,719.70

Finding the Fourth Proportional to 144,622.10, 216,933.15 and 131,719.70

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Solution

The fourth proportional to 144,622.10, 216,933.15 and 131,719.70 is: 197,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,622.10 : 216,933.15 = 131,719.70 : x
  2. Step 2: Convert to fraction form
    144,622.10/216,933.15 = 131,719.70/x
  3. Step 3: Cross multiply
    144,622.10x = 216,933.15 × 131,719.70
  4. Step 4: Simplify right side
    144,622.10x = 28,574,369,438.06
  5. Step 5: Solve for x
    x = 28,574,369,438.06/144,622.10
  6. Step 6: Final answer
    x = 197,579.55

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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.