Home / 133,153.19-183,750.42-72,723.86

Finding the Fourth Proportional to 133,153.19, 183,750.42 and 72,723.86

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Solution

The fourth proportional to 133,153.19, 183,750.42 and 72,723.86 is: 100,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,153.19 : 183,750.42 = 72,723.86 : x
  2. Step 2: Convert to fraction form
    133,153.19/183,750.42 = 72,723.86/x
  3. Step 3: Cross multiply
    133,153.19x = 183,750.42 × 72,723.86
  4. Step 4: Simplify right side
    133,153.19x = 13,363,039,546.31
  5. Step 5: Solve for x
    x = 13,363,039,546.31/133,153.19
  6. Step 6: Final answer
    x = 100,358.39

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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.