Home / 144,428.85-216,643.28-131,306.85

Finding the Fourth Proportional to 144,428.85, 216,643.28 and 131,306.85

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Solution

The fourth proportional to 144,428.85, 216,643.28 and 131,306.85 is: 196,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,428.85 : 216,643.28 = 131,306.85 : x
  2. Step 2: Convert to fraction form
    144,428.85/216,643.28 = 131,306.85/x
  3. Step 3: Cross multiply
    144,428.85x = 216,643.28 × 131,306.85
  4. Step 4: Simplify right side
    144,428.85x = 28,446,746,013.93
  5. Step 5: Solve for x
    x = 28,446,746,013.93/144,428.85
  6. Step 6: Final answer
    x = 196,960.28

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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.