Home / 132,931.11-183,440.46-79,188.29

Finding the Fourth Proportional to 132,931.11, 183,440.46 and 79,188.29

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Solution

The fourth proportional to 132,931.11, 183,440.46 and 79,188.29 is: 109,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931.11 : 183,440.46 = 79,188.29 : x
  2. Step 2: Convert to fraction form
    132,931.11/183,440.46 = 79,188.29/x
  3. Step 3: Cross multiply
    132,931.11x = 183,440.46 × 79,188.29
  4. Step 4: Simplify right side
    132,931.11x = 14,526,336,344.21
  5. Step 5: Solve for x
    x = 14,526,336,344.21/132,931.11
  6. Step 6: Final answer
    x = 109,277.18

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1.5x scale

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.