Home / 88,039.20-132,123.60-35,486.40

Finding the Fourth Proportional to 88,039.20, 132,123.60 and 35,486.40

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Solution

The fourth proportional to 88,039.20, 132,123.60 and 35,486.40 is: 53,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.20 : 132,123.60 = 35,486.40 : x
  2. Step 2: Convert to fraction form
    88,039.20/132,123.60 = 35,486.40/x
  3. Step 3: Cross multiply
    88,039.20x = 132,123.60 × 35,486.40
  4. Step 4: Simplify right side
    88,039.20x = 4,688,590,919.04
  5. Step 5: Solve for x
    x = 4,688,590,919.04/88,039.20
  6. Step 6: Final answer
    x = 53,255.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.