Home / 105,355.08-158,047.20-43,011

Finding the Fourth Proportional to 105,355.08, 158,047.20 and 43,011

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Solution

The fourth proportional to 105,355.08, 158,047.20 and 43,011 is: 64,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,355.08 : 158,047.20 = 43,011 : x
  2. Step 2: Convert to fraction form
    105,355.08/158,047.20 = 43,011/x
  3. Step 3: Cross multiply
    105,355.08x = 158,047.20 × 43,011
  4. Step 4: Simplify right side
    105,355.08x = 6,797,768,119.20
  5. Step 5: Solve for x
    x = 6,797,768,119.20/105,355.08
  6. Step 6: Final answer
    x = 64,522.45

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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.