Home / 133,387.95-184,081.27-76,817.55

Finding the Fourth Proportional to 133,387.95, 184,081.27 and 76,817.55

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Solution

The fourth proportional to 133,387.95, 184,081.27 and 76,817.55 is: 106,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.95 : 184,081.27 = 76,817.55 : x
  2. Step 2: Convert to fraction form
    133,387.95/184,081.27 = 76,817.55/x
  3. Step 3: Cross multiply
    133,387.95x = 184,081.27 × 76,817.55
  4. Step 4: Simplify right side
    133,387.95x = 14,140,672,162.29
  5. Step 5: Solve for x
    x = 14,140,672,162.29/133,387.95
  6. Step 6: Final answer
    x = 106,011.62

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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.