Home / 132,920.45-183,326.55-85,178.24

Finding the Fourth Proportional to 132,920.45, 183,326.55 and 85,178.24

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Solution

The fourth proportional to 132,920.45, 183,326.55 and 85,178.24 is: 117,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,920.45 : 183,326.55 = 85,178.24 : x
  2. Step 2: Convert to fraction form
    132,920.45/183,326.55 = 85,178.24/x
  3. Step 3: Cross multiply
    132,920.45x = 183,326.55 × 85,178.24
  4. Step 4: Simplify right side
    132,920.45x = 15,615,432,874.27
  5. Step 5: Solve for x
    x = 15,615,432,874.27/132,920.45
  6. Step 6: Final answer
    x = 117,479.54

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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.