Home / 133,430.24-184,132.98-72,999.76

Finding the Fourth Proportional to 133,430.24, 184,132.98 and 72,999.76

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Solution

The fourth proportional to 133,430.24, 184,132.98 and 72,999.76 is: 100,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,430.24 : 184,132.98 = 72,999.76 : x
  2. Step 2: Convert to fraction form
    133,430.24/184,132.98 = 72,999.76/x
  3. Step 3: Cross multiply
    133,430.24x = 184,132.98 × 72,999.76
  4. Step 4: Simplify right side
    133,430.24x = 13,441,663,348.08
  5. Step 5: Solve for x
    x = 13,441,663,348.08/133,430.24
  6. Step 6: Final answer
    x = 100,739.26

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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.