Home / 88,288.40-132,432.60-40,903.40

Finding the Fourth Proportional to 88,288.40, 132,432.60 and 40,903.40

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Solution

The fourth proportional to 88,288.40, 132,432.60 and 40,903.40 is: 61,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,288.40 : 132,432.60 = 40,903.40 : x
  2. Step 2: Convert to fraction form
    88,288.40/132,432.60 = 40,903.40/x
  3. Step 3: Cross multiply
    88,288.40x = 132,432.60 × 40,903.40
  4. Step 4: Simplify right side
    88,288.40x = 5,416,943,610.84
  5. Step 5: Solve for x
    x = 5,416,943,610.84/88,288.40
  6. Step 6: Final answer
    x = 61,355.10

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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.