Home / 144,288.31-216,432.47-39,107.28

Finding the Fourth Proportional to 144,288.31, 216,432.47 and 39,107.28

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Solution

The fourth proportional to 144,288.31, 216,432.47 and 39,107.28 is: 58,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.31 : 216,432.47 = 39,107.28 : x
  2. Step 2: Convert to fraction form
    144,288.31/216,432.47 = 39,107.28/x
  3. Step 3: Cross multiply
    144,288.31x = 216,432.47 × 39,107.28
  4. Step 4: Simplify right side
    144,288.31x = 8,464,085,205.38
  5. Step 5: Solve for x
    x = 8,464,085,205.38/144,288.31
  6. Step 6: Final answer
    x = 58,660.92

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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.