Home / 216,125.52-297,896.20-144,479.40

Finding the Fourth Proportional to 216,125.52, 297,896.20 and 144,479.40

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Solution

The fourth proportional to 216,125.52, 297,896.20 and 144,479.40 is: 199,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,125.52 : 297,896.20 = 144,479.40 : x
  2. Step 2: Convert to fraction form
    216,125.52/297,896.20 = 144,479.40/x
  3. Step 3: Cross multiply
    216,125.52x = 297,896.20 × 144,479.40
  4. Step 4: Simplify right side
    216,125.52x = 43,039,864,238.28
  5. Step 5: Solve for x
    x = 43,039,864,238.28/216,125.52
  6. Step 6: Final answer
    x = 199,142.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.