Home / 133,207.48-183,820.62-72,777.16

Finding the Fourth Proportional to 133,207.48, 183,820.62 and 72,777.16

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Solution

The fourth proportional to 133,207.48, 183,820.62 and 72,777.16 is: 100,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,207.48 : 183,820.62 = 72,777.16 : x
  2. Step 2: Convert to fraction form
    133,207.48/183,820.62 = 72,777.16/x
  3. Step 3: Cross multiply
    133,207.48x = 183,820.62 × 72,777.16
  4. Step 4: Simplify right side
    133,207.48x = 13,377,942,673.04
  5. Step 5: Solve for x
    x = 13,377,942,673.04/133,207.48
  6. Step 6: Final answer
    x = 100,429.37

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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.