Home / 144,071.28-216,163.62-72,954.90

Finding the Fourth Proportional to 144,071.28, 216,163.62 and 72,954.90

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Solution

The fourth proportional to 144,071.28, 216,163.62 and 72,954.90 is: 109,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,071.28 : 216,163.62 = 72,954.90 : x
  2. Step 2: Convert to fraction form
    144,071.28/216,163.62 = 72,954.90/x
  3. Step 3: Cross multiply
    144,071.28x = 216,163.62 × 72,954.90
  4. Step 4: Simplify right side
    144,071.28x = 15,770,195,280.74
  5. Step 5: Solve for x
    x = 15,770,195,280.74/144,071.28
  6. Step 6: Final answer
    x = 109,461.06

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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.