Home / 106,301.20-159,451.80-89,712.40

Finding the Fourth Proportional to 106,301.20, 159,451.80 and 89,712.40

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Solution

The fourth proportional to 106,301.20, 159,451.80 and 89,712.40 is: 134,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,301.20 : 159,451.80 = 89,712.40 : x
  2. Step 2: Convert to fraction form
    106,301.20/159,451.80 = 89,712.40/x
  3. Step 3: Cross multiply
    106,301.20x = 159,451.80 × 89,712.40
  4. Step 4: Simplify right side
    106,301.20x = 14,304,803,662.32
  5. Step 5: Solve for x
    x = 14,304,803,662.32/106,301.20
  6. Step 6: Final answer
    x = 134,568.60

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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.