Home / 133,229.22-183,852.95-72,800.16

Finding the Fourth Proportional to 133,229.22, 183,852.95 and 72,800.16

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Solution

The fourth proportional to 133,229.22, 183,852.95 and 72,800.16 is: 100,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,229.22 : 183,852.95 = 72,800.16 : x
  2. Step 2: Convert to fraction form
    133,229.22/183,852.95 = 72,800.16/x
  3. Step 3: Cross multiply
    133,229.22x = 183,852.95 × 72,800.16
  4. Step 4: Simplify right side
    133,229.22x = 13,384,523,812.47
  5. Step 5: Solve for x
    x = 13,384,523,812.47/133,229.22
  6. Step 6: Final answer
    x = 100,462.37

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1.5x scale

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.