Home / 133,041.41-183,600.05-72,612.29

Finding the Fourth Proportional to 133,041.41, 183,600.05 and 72,612.29

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Solution

The fourth proportional to 133,041.41, 183,600.05 and 72,612.29 is: 100,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,041.41 : 183,600.05 = 72,612.29 : x
  2. Step 2: Convert to fraction form
    133,041.41/183,600.05 = 72,612.29/x
  3. Step 3: Cross multiply
    133,041.41x = 183,600.05 × 72,612.29
  4. Step 4: Simplify right side
    133,041.41x = 13,331,619,711.55
  5. Step 5: Solve for x
    x = 13,331,619,711.55/133,041.41
  6. Step 6: Final answer
    x = 100,206.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.