Home / 88,427.10-132,640.65-70,931.10

Finding the Fourth Proportional to 88,427.10, 132,640.65 and 70,931.10

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Solution

The fourth proportional to 88,427.10, 132,640.65 and 70,931.10 is: 106,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,427.10 : 132,640.65 = 70,931.10 : x
  2. Step 2: Convert to fraction form
    88,427.10/132,640.65 = 70,931.10/x
  3. Step 3: Cross multiply
    88,427.10x = 132,640.65 × 70,931.10
  4. Step 4: Simplify right side
    88,427.10x = 9,408,347,209.22
  5. Step 5: Solve for x
    x = 9,408,347,209.22/88,427.10
  6. Step 6: Final answer
    x = 106,396.65

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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.