Home / 145,987.96-218,913.89-75,848.44

Finding the Fourth Proportional to 145,987.96, 218,913.89 and 75,848.44

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Solution

The fourth proportional to 145,987.96, 218,913.89 and 75,848.44 is: 113,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,987.96 : 218,913.89 = 75,848.44 : x
  2. Step 2: Convert to fraction form
    145,987.96/218,913.89 = 75,848.44/x
  3. Step 3: Cross multiply
    145,987.96x = 218,913.89 × 75,848.44
  4. Step 4: Simplify right side
    145,987.96x = 16,604,275,956.26
  5. Step 5: Solve for x
    x = 16,604,275,956.26/145,987.96
  6. Step 6: Final answer
    x = 113,737.30

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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.