Home / 133,276.77-183,916.65-72,849.54

Finding the Fourth Proportional to 133,276.77, 183,916.65 and 72,849.54

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Solution

The fourth proportional to 133,276.77, 183,916.65 and 72,849.54 is: 100,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,276.77 : 183,916.65 = 72,849.54 : x
  2. Step 2: Convert to fraction form
    133,276.77/183,916.65 = 72,849.54/x
  3. Step 3: Cross multiply
    133,276.77x = 183,916.65 × 72,849.54
  4. Step 4: Simplify right side
    133,276.77x = 13,398,243,350.84
  5. Step 5: Solve for x
    x = 13,398,243,350.84/133,276.77
  6. Step 6: Final answer
    x = 100,529.47

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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.