Home / 88,290.21-132,432.39-38,370.36

Finding the Fourth Proportional to 88,290.21, 132,432.39 and 38,370.36

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Solution

The fourth proportional to 88,290.21, 132,432.39 and 38,370.36 is: 57,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,290.21 : 132,432.39 = 38,370.36 : x
  2. Step 2: Convert to fraction form
    88,290.21/132,432.39 = 38,370.36/x
  3. Step 3: Cross multiply
    88,290.21x = 132,432.39 × 38,370.36
  4. Step 4: Simplify right side
    88,290.21x = 5,081,478,479.96
  5. Step 5: Solve for x
    x = 5,081,478,479.96/88,290.21
  6. Step 6: Final answer
    x = 57,554.27

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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.