Home / 133,302.90-183,950.56-72,861.51

Finding the Fourth Proportional to 133,302.90, 183,950.56 and 72,861.51

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Solution

The fourth proportional to 133,302.90, 183,950.56 and 72,861.51 is: 100,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,302.90 : 183,950.56 = 72,861.51 : x
  2. Step 2: Convert to fraction form
    133,302.90/183,950.56 = 72,861.51/x
  3. Step 3: Cross multiply
    133,302.90x = 183,950.56 × 72,861.51
  4. Step 4: Simplify right side
    133,302.90x = 13,402,915,566.95
  5. Step 5: Solve for x
    x = 13,402,915,566.95/133,302.90
  6. Step 6: Final answer
    x = 100,544.82

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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.