Home / 179,239.58-268,637.93-90,518.45

Finding the Fourth Proportional to 179,239.58, 268,637.93 and 90,518.45

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Solution

The fourth proportional to 179,239.58, 268,637.93 and 90,518.45 is: 135,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,239.58 : 268,637.93 = 90,518.45 : x
  2. Step 2: Convert to fraction form
    179,239.58/268,637.93 = 90,518.45/x
  3. Step 3: Cross multiply
    179,239.58x = 268,637.93 × 90,518.45
  4. Step 4: Simplify right side
    179,239.58x = 24,316,689,253.81
  5. Step 5: Solve for x
    x = 24,316,689,253.81/179,239.58
  6. Step 6: Final answer
    x = 135,665.85

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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.