Home / 105,439.52-158,159.38-43,110.02

Finding the Fourth Proportional to 105,439.52, 158,159.38 and 43,110.02

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Solution

The fourth proportional to 105,439.52, 158,159.38 and 43,110.02 is: 64,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,439.52 : 158,159.38 = 43,110.02 : x
  2. Step 2: Convert to fraction form
    105,439.52/158,159.38 = 43,110.02/x
  3. Step 3: Cross multiply
    105,439.52x = 158,159.38 × 43,110.02
  4. Step 4: Simplify right side
    105,439.52x = 6,818,254,034.99
  5. Step 5: Solve for x
    x = 6,818,254,034.99/105,439.52
  6. Step 6: Final answer
    x = 64,665.07

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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.