Home / 144,288.91-216,433.35-39,107.88

Finding the Fourth Proportional to 144,288.91, 216,433.35 and 39,107.88

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Solution

The fourth proportional to 144,288.91, 216,433.35 and 39,107.88 is: 58,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.91 : 216,433.35 = 39,107.88 : x
  2. Step 2: Convert to fraction form
    144,288.91/216,433.35 = 39,107.88/x
  3. Step 3: Cross multiply
    144,288.91x = 216,433.35 × 39,107.88
  4. Step 4: Simplify right side
    144,288.91x = 8,464,249,479.80
  5. Step 5: Solve for x
    x = 8,464,249,479.80/144,288.91
  6. Step 6: Final answer
    x = 58,661.82

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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.