Home / 144,529.10-216,793.65-131,407.10

Finding the Fourth Proportional to 144,529.10, 216,793.65 and 131,407.10

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Solution

The fourth proportional to 144,529.10, 216,793.65 and 131,407.10 is: 197,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.10 : 216,793.65 = 131,407.10 : x
  2. Step 2: Convert to fraction form
    144,529.10/216,793.65 = 131,407.10/x
  3. Step 3: Cross multiply
    144,529.10x = 216,793.65 × 131,407.10
  4. Step 4: Simplify right side
    144,529.10x = 28,488,224,844.92
  5. Step 5: Solve for x
    x = 28,488,224,844.92/144,529.10
  6. Step 6: Final answer
    x = 197,110.65

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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.