Home / 133,235.07-183,864.98-72,805.57

Finding the Fourth Proportional to 133,235.07, 183,864.98 and 72,805.57

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Solution

The fourth proportional to 133,235.07, 183,864.98 and 72,805.57 is: 100,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,235.07 : 183,864.98 = 72,805.57 : x
  2. Step 2: Convert to fraction form
    133,235.07/183,864.98 = 72,805.57/x
  3. Step 3: Cross multiply
    133,235.07x = 183,864.98 × 72,805.57
  4. Step 4: Simplify right side
    133,235.07x = 13,386,394,773.24
  5. Step 5: Solve for x
    x = 13,386,394,773.24/133,235.07
  6. Step 6: Final answer
    x = 100,472.00

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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.