Home / 106,619.60-159,929.40-98,843.60

Finding the Fourth Proportional to 106,619.60, 159,929.40 and 98,843.60

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Solution

The fourth proportional to 106,619.60, 159,929.40 and 98,843.60 is: 148,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,619.60 : 159,929.40 = 98,843.60 : x
  2. Step 2: Convert to fraction form
    106,619.60/159,929.40 = 98,843.60/x
  3. Step 3: Cross multiply
    106,619.60x = 159,929.40 × 98,843.60
  4. Step 4: Simplify right side
    106,619.60x = 15,807,997,641.84
  5. Step 5: Solve for x
    x = 15,807,997,641.84/106,619.60
  6. Step 6: Final answer
    x = 148,265.40

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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.