Home / 133,292.43-183,943.13-72,863.10

Finding the Fourth Proportional to 133,292.43, 183,943.13 and 72,863.10

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Solution

The fourth proportional to 133,292.43, 183,943.13 and 72,863.10 is: 100,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,292.43 : 183,943.13 = 72,863.10 : x
  2. Step 2: Convert to fraction form
    133,292.43/183,943.13 = 72,863.10/x
  3. Step 3: Cross multiply
    133,292.43x = 183,943.13 × 72,863.10
  4. Step 4: Simplify right side
    133,292.43x = 13,402,666,311.19
  5. Step 5: Solve for x
    x = 13,402,666,311.19/133,292.43
  6. Step 6: Final answer
    x = 100,550.84

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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.