Home / 133,390.24-184,070.88-72,948.80

Finding the Fourth Proportional to 133,390.24, 184,070.88 and 72,948.80

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Solution

The fourth proportional to 133,390.24, 184,070.88 and 72,948.80 is: 100,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.24 : 184,070.88 = 72,948.80 : x
  2. Step 2: Convert to fraction form
    133,390.24/184,070.88 = 72,948.80/x
  3. Step 3: Cross multiply
    133,390.24x = 184,070.88 × 72,948.80
  4. Step 4: Simplify right side
    133,390.24x = 13,427,749,810.94
  5. Step 5: Solve for x
    x = 13,427,749,810.94/133,390.24
  6. Step 6: Final answer
    x = 100,665.16

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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.