Home / 133,262.38-183,953.93-90,220.83

Finding the Fourth Proportional to 133,262.38, 183,953.93 and 90,220.83

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Solution

The fourth proportional to 133,262.38, 183,953.93 and 90,220.83 is: 124,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.38 : 183,953.93 = 90,220.83 : x
  2. Step 2: Convert to fraction form
    133,262.38/183,953.93 = 90,220.83/x
  3. Step 3: Cross multiply
    133,262.38x = 183,953.93 × 90,220.83
  4. Step 4: Simplify right side
    133,262.38x = 16,596,476,246.36
  5. Step 5: Solve for x
    x = 16,596,476,246.36/133,262.38
  6. Step 6: Final answer
    x = 124,539.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.