Home / 133,028.42-183,583.08-72,602.94

Finding the Fourth Proportional to 133,028.42, 183,583.08 and 72,602.94

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Solution

The fourth proportional to 133,028.42, 183,583.08 and 72,602.94 is: 100,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.42 : 183,583.08 = 72,602.94 : x
  2. Step 2: Convert to fraction form
    133,028.42/183,583.08 = 72,602.94/x
  3. Step 3: Cross multiply
    133,028.42x = 183,583.08 × 72,602.94
  4. Step 4: Simplify right side
    133,028.42x = 13,328,671,342.26
  5. Step 5: Solve for x
    x = 13,328,671,342.26/133,028.42
  6. Step 6: Final answer
    x = 100,194.16

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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.