Home / 133,093.10-183,671.26-72,666.29

Finding the Fourth Proportional to 133,093.10, 183,671.26 and 72,666.29

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Solution

The fourth proportional to 133,093.10, 183,671.26 and 72,666.29 is: 100,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.10 : 183,671.26 = 72,666.29 : x
  2. Step 2: Convert to fraction form
    133,093.10/183,671.26 = 72,666.29/x
  3. Step 3: Cross multiply
    133,093.10x = 183,671.26 × 72,666.29
  4. Step 4: Simplify right side
    133,093.10x = 13,346,709,043.83
  5. Step 5: Solve for x
    x = 13,346,709,043.83/133,093.10
  6. Step 6: Final answer
    x = 100,281.00

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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.