Home / 144,107.40-216,292.94-73,079.06

Finding the Fourth Proportional to 144,107.40, 216,292.94 and 73,079.06

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Solution

The fourth proportional to 144,107.40, 216,292.94 and 73,079.06 is: 109,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,107.40 : 216,292.94 = 73,079.06 : x
  2. Step 2: Convert to fraction form
    144,107.40/216,292.94 = 73,079.06/x
  3. Step 3: Cross multiply
    144,107.40x = 216,292.94 × 73,079.06
  4. Step 4: Simplify right side
    144,107.40x = 15,806,484,739.84
  5. Step 5: Solve for x
    x = 15,806,484,739.84/144,107.40
  6. Step 6: Final answer
    x = 109,685.45

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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.