Home / 133,387.70-184,080.93-76,817.30

Finding the Fourth Proportional to 133,387.70, 184,080.93 and 76,817.30

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Solution

The fourth proportional to 133,387.70, 184,080.93 and 76,817.30 is: 106,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.70 : 184,080.93 = 76,817.30 : x
  2. Step 2: Convert to fraction form
    133,387.70/184,080.93 = 76,817.30/x
  3. Step 3: Cross multiply
    133,387.70x = 184,080.93 × 76,817.30
  4. Step 4: Simplify right side
    133,387.70x = 14,140,600,484.29
  5. Step 5: Solve for x
    x = 14,140,600,484.29/133,387.70
  6. Step 6: Final answer
    x = 106,011.28

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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.