Home / 133,029.51-183,581.28-72,601.44

Finding the Fourth Proportional to 133,029.51, 183,581.28 and 72,601.44

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Solution

The fourth proportional to 133,029.51, 183,581.28 and 72,601.44 is: 100,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.51 : 183,581.28 = 72,601.44 : x
  2. Step 2: Convert to fraction form
    133,029.51/183,581.28 = 72,601.44/x
  3. Step 3: Cross multiply
    133,029.51x = 183,581.28 × 72,601.44
  4. Step 4: Simplify right side
    133,029.51x = 13,328,264,185.63
  5. Step 5: Solve for x
    x = 13,328,264,185.63/133,029.51
  6. Step 6: Final answer
    x = 100,190.28

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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.