Home / 132,943.68-183,457.71-79,200.81

Finding the Fourth Proportional to 132,943.68, 183,457.71 and 79,200.81

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Solution

The fourth proportional to 132,943.68, 183,457.71 and 79,200.81 is: 109,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.68 : 183,457.71 = 79,200.81 : x
  2. Step 2: Convert to fraction form
    132,943.68/183,457.71 = 79,200.81/x
  3. Step 3: Cross multiply
    132,943.68x = 183,457.71 × 79,200.81
  4. Step 4: Simplify right side
    132,943.68x = 14,529,999,232.75
  5. Step 5: Solve for x
    x = 14,529,999,232.75/132,943.68
  6. Step 6: Final answer
    x = 109,294.40

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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.