Home / 133,988.68-184,897.44-79,543.12

Finding the Fourth Proportional to 133,988.68, 184,897.44 and 79,543.12

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Solution

The fourth proportional to 133,988.68, 184,897.44 and 79,543.12 is: 109,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,988.68 : 184,897.44 = 79,543.12 : x
  2. Step 2: Convert to fraction form
    133,988.68/184,897.44 = 79,543.12/x
  3. Step 3: Cross multiply
    133,988.68x = 184,897.44 × 79,543.12
  4. Step 4: Simplify right side
    133,988.68x = 14,707,319,257.61
  5. Step 5: Solve for x
    x = 14,707,319,257.61/133,988.68
  6. Step 6: Final answer
    x = 109,765.39

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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.