Home / 107,444.20-161,007.90-77,924.20

Finding the Fourth Proportional to 107,444.20, 161,007.90 and 77,924.20

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Solution

The fourth proportional to 107,444.20, 161,007.90 and 77,924.20 is: 116,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,444.20 : 161,007.90 = 77,924.20 : x
  2. Step 2: Convert to fraction form
    107,444.20/161,007.90 = 77,924.20/x
  3. Step 3: Cross multiply
    107,444.20x = 161,007.90 × 77,924.20
  4. Step 4: Simplify right side
    107,444.20x = 12,546,411,801.18
  5. Step 5: Solve for x
    x = 12,546,411,801.18/107,444.20
  6. Step 6: Final answer
    x = 116,771.42

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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.