Home / 106,335.40-159,503.10-89,422.60

Finding the Fourth Proportional to 106,335.40, 159,503.10 and 89,422.60

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Solution

The fourth proportional to 106,335.40, 159,503.10 and 89,422.60 is: 134,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,335.40 : 159,503.10 = 89,422.60 : x
  2. Step 2: Convert to fraction form
    106,335.40/159,503.10 = 89,422.60/x
  3. Step 3: Cross multiply
    106,335.40x = 159,503.10 × 89,422.60
  4. Step 4: Simplify right side
    106,335.40x = 14,263,181,910.06
  5. Step 5: Solve for x
    x = 14,263,181,910.06/106,335.40
  6. Step 6: Final answer
    x = 134,133.90

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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.