Home / 133,042.99-183,592.83-72,612.13

Finding the Fourth Proportional to 133,042.99, 183,592.83 and 72,612.13

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Solution

The fourth proportional to 133,042.99, 183,592.83 and 72,612.13 is: 100,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.99 : 183,592.83 = 72,612.13 : x
  2. Step 2: Convert to fraction form
    133,042.99/183,592.83 = 72,612.13/x
  3. Step 3: Cross multiply
    133,042.99x = 183,592.83 × 72,612.13
  4. Step 4: Simplify right side
    133,042.99x = 13,331,066,439.03
  5. Step 5: Solve for x
    x = 13,331,066,439.03/133,042.99
  6. Step 6: Final answer
    x = 100,201.19

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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.