Home / 133,623.47-184,400.08-72,369.47

Finding the Fourth Proportional to 133,623.47, 184,400.08 and 72,369.47

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Solution

The fourth proportional to 133,623.47, 184,400.08 and 72,369.47 is: 99,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.47 : 184,400.08 = 72,369.47 : x
  2. Step 2: Convert to fraction form
    133,623.47/184,400.08 = 72,369.47/x
  3. Step 3: Cross multiply
    133,623.47x = 184,400.08 × 72,369.47
  4. Step 4: Simplify right side
    133,623.47x = 13,344,936,337.63
  5. Step 5: Solve for x
    x = 13,344,936,337.63/133,623.47
  6. Step 6: Final answer
    x = 99,869.71

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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.