Home / 119,670.23-179,521.75-53,108.89

Finding the Fourth Proportional to 119,670.23, 179,521.75 and 53,108.89

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Solution

The fourth proportional to 119,670.23, 179,521.75 and 53,108.89 is: 79,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,670.23 : 179,521.75 = 53,108.89 : x
  2. Step 2: Convert to fraction form
    119,670.23/179,521.75 = 53,108.89/x
  3. Step 3: Cross multiply
    119,670.23x = 179,521.75 × 53,108.89
  4. Step 4: Simplify right side
    119,670.23x = 9,534,200,490.94
  5. Step 5: Solve for x
    x = 9,534,200,490.94/119,670.23
  6. Step 6: Final answer
    x = 79,670.61

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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.