Home / 105,911.08-158,582.46-55,887.40

Finding the Fourth Proportional to 105,911.08, 158,582.46 and 55,887.40

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Solution

The fourth proportional to 105,911.08, 158,582.46 and 55,887.40 is: 83,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,911.08 : 158,582.46 = 55,887.40 : x
  2. Step 2: Convert to fraction form
    105,911.08/158,582.46 = 55,887.40/x
  3. Step 3: Cross multiply
    105,911.08x = 158,582.46 × 55,887.40
  4. Step 4: Simplify right side
    105,911.08x = 8,862,761,375.00
  5. Step 5: Solve for x
    x = 8,862,761,375.00/105,911.08
  6. Step 6: Final answer
    x = 83,681.15

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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.