Home / 106,278.40-159,417.60-89,365.60

Finding the Fourth Proportional to 106,278.40, 159,417.60 and 89,365.60

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Solution

The fourth proportional to 106,278.40, 159,417.60 and 89,365.60 is: 134,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,278.40 : 159,417.60 = 89,365.60 : x
  2. Step 2: Convert to fraction form
    106,278.40/159,417.60 = 89,365.60/x
  3. Step 3: Cross multiply
    106,278.40x = 159,417.60 × 89,365.60
  4. Step 4: Simplify right side
    106,278.40x = 14,246,449,474.56
  5. Step 5: Solve for x
    x = 14,246,449,474.56/106,278.40
  6. Step 6: Final answer
    x = 134,048.40

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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.