Home / 179,225.07-268,838.36-72,611.10

Finding the Fourth Proportional to 179,225.07, 268,838.36 and 72,611.10

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Solution

The fourth proportional to 179,225.07, 268,838.36 and 72,611.10 is: 108,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,225.07 : 268,838.36 = 72,611.10 : x
  2. Step 2: Convert to fraction form
    179,225.07/268,838.36 = 72,611.10/x
  3. Step 3: Cross multiply
    179,225.07x = 268,838.36 × 72,611.10
  4. Step 4: Simplify right side
    179,225.07x = 19,520,649,041.80
  5. Step 5: Solve for x
    x = 19,520,649,041.80/179,225.07
  6. Step 6: Final answer
    x = 108,916.96

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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.