Home / 132,970.28-183,522.78-79,258.77

Finding the Fourth Proportional to 132,970.28, 183,522.78 and 79,258.77

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Solution

The fourth proportional to 132,970.28, 183,522.78 and 79,258.77 is: 109,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,970.28 : 183,522.78 = 79,258.77 : x
  2. Step 2: Convert to fraction form
    132,970.28/183,522.78 = 79,258.77/x
  3. Step 3: Cross multiply
    132,970.28x = 183,522.78 × 79,258.77
  4. Step 4: Simplify right side
    132,970.28x = 14,545,789,809.78
  5. Step 5: Solve for x
    x = 14,545,789,809.78/132,970.28
  6. Step 6: Final answer
    x = 109,391.29

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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.