Home / 88,139.08-132,261.15-31,983.57

Finding the Fourth Proportional to 88,139.08, 132,261.15 and 31,983.57

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Solution

The fourth proportional to 88,139.08, 132,261.15 and 31,983.57 is: 47,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139.08 : 132,261.15 = 31,983.57 : x
  2. Step 2: Convert to fraction form
    88,139.08/132,261.15 = 31,983.57/x
  3. Step 3: Cross multiply
    88,139.08x = 132,261.15 × 31,983.57
  4. Step 4: Simplify right side
    88,139.08x = 4,230,182,965.28
  5. Step 5: Solve for x
    x = 4,230,182,965.28/88,139.08
  6. Step 6: Final answer
    x = 47,994.41

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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.