Home / 133,008.07-199,510-61,890.93

Finding the Fourth Proportional to 133,008.07, 199,510 and 61,890.93

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Solution

The fourth proportional to 133,008.07, 199,510 and 61,890.93 is: 92,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,008.07 : 199,510 = 61,890.93 : x
  2. Step 2: Convert to fraction form
    133,008.07/199,510 = 61,890.93/x
  3. Step 3: Cross multiply
    133,008.07x = 199,510 × 61,890.93
  4. Step 4: Simplify right side
    133,008.07x = 12,347,859,444.30
  5. Step 5: Solve for x
    x = 12,347,859,444.30/133,008.07
  6. Step 6: Final answer
    x = 92,835.42

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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.