Home / 133,155.03-183,751.10-72,725.91

Finding the Fourth Proportional to 133,155.03, 183,751.10 and 72,725.91

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Solution

The fourth proportional to 133,155.03, 183,751.10 and 72,725.91 is: 100,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,155.03 : 183,751.10 = 72,725.91 : x
  2. Step 2: Convert to fraction form
    133,155.03/183,751.10 = 72,725.91/x
  3. Step 3: Cross multiply
    133,155.03x = 183,751.10 × 72,725.91
  4. Step 4: Simplify right side
    133,155.03x = 13,363,465,597.37
  5. Step 5: Solve for x
    x = 13,363,465,597.37/133,155.03
  6. Step 6: Final answer
    x = 100,360.20

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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.