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Finding the Fourth Proportional to 119,674.99, 179,548.94 and 56,543.59

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Solution

The fourth proportional to 119,674.99, 179,548.94 and 56,543.59 is: 84,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,674.99 : 179,548.94 = 56,543.59 : x
  2. Step 2: Convert to fraction form
    119,674.99/179,548.94 = 56,543.59/x
  3. Step 3: Cross multiply
    119,674.99x = 179,548.94 × 56,543.59
  4. Step 4: Simplify right side
    119,674.99x = 10,152,341,648.29
  5. Step 5: Solve for x
    x = 10,152,341,648.29/119,674.99
  6. Step 6: Final answer
    x = 84,832.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.