Home / 152,837.67-229,151.94-77,812.64

Finding the Fourth Proportional to 152,837.67, 229,151.94 and 77,812.64

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Solution

The fourth proportional to 152,837.67, 229,151.94 and 77,812.64 is: 116,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,837.67 : 229,151.94 = 77,812.64 : x
  2. Step 2: Convert to fraction form
    152,837.67/229,151.94 = 77,812.64/x
  3. Step 3: Cross multiply
    152,837.67x = 229,151.94 × 77,812.64
  4. Step 4: Simplify right side
    152,837.67x = 17,830,917,412.52
  5. Step 5: Solve for x
    x = 17,830,917,412.52/152,837.67
  6. Step 6: Final answer
    x = 116,665.72

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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.