Home / 144,288.16-216,432.23-39,107.13

Finding the Fourth Proportional to 144,288.16, 216,432.23 and 39,107.13

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Solution

The fourth proportional to 144,288.16, 216,432.23 and 39,107.13 is: 58,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.16 : 216,432.23 = 39,107.13 : x
  2. Step 2: Convert to fraction form
    144,288.16/216,432.23 = 39,107.13/x
  3. Step 3: Cross multiply
    144,288.16x = 216,432.23 × 39,107.13
  4. Step 4: Simplify right side
    144,288.16x = 8,464,042,272.64
  5. Step 5: Solve for x
    x = 8,464,042,272.64/144,288.16
  6. Step 6: Final answer
    x = 58,660.69

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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.