Home / 88,140.58-132,263.40-31,985.07

Finding the Fourth Proportional to 88,140.58, 132,263.40 and 31,985.07

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Solution

The fourth proportional to 88,140.58, 132,263.40 and 31,985.07 is: 47,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140.58 : 132,263.40 = 31,985.07 : x
  2. Step 2: Convert to fraction form
    88,140.58/132,263.40 = 31,985.07/x
  3. Step 3: Cross multiply
    88,140.58x = 132,263.40 × 31,985.07
  4. Step 4: Simplify right side
    88,140.58x = 4,230,454,107.44
  5. Step 5: Solve for x
    x = 4,230,454,107.44/88,140.58
  6. Step 6: Final answer
    x = 47,996.67

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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.