Home / 144,029.60-216,044.40-131,127.20

Finding the Fourth Proportional to 144,029.60, 216,044.40 and 131,127.20

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Solution

The fourth proportional to 144,029.60, 216,044.40 and 131,127.20 is: 196,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.60 : 216,044.40 = 131,127.20 : x
  2. Step 2: Convert to fraction form
    144,029.60/216,044.40 = 131,127.20/x
  3. Step 3: Cross multiply
    144,029.60x = 216,044.40 × 131,127.20
  4. Step 4: Simplify right side
    144,029.60x = 28,329,297,247.68
  5. Step 5: Solve for x
    x = 28,329,297,247.68/144,029.60
  6. Step 6: Final answer
    x = 196,690.80

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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.