Home / 133,237.57-183,868.33-72,808.22

Finding the Fourth Proportional to 133,237.57, 183,868.33 and 72,808.22

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Solution

The fourth proportional to 133,237.57, 183,868.33 and 72,808.22 is: 100,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.57 : 183,868.33 = 72,808.22 : x
  2. Step 2: Convert to fraction form
    133,237.57/183,868.33 = 72,808.22/x
  3. Step 3: Cross multiply
    133,237.57x = 183,868.33 × 72,808.22
  4. Step 4: Simplify right side
    133,237.57x = 13,387,125,821.67
  5. Step 5: Solve for x
    x = 13,387,125,821.67/133,237.57
  6. Step 6: Final answer
    x = 100,475.61

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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.