Home / 152,842.68-229,159.44-77,817.64

Finding the Fourth Proportional to 152,842.68, 229,159.44 and 77,817.64

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Solution

The fourth proportional to 152,842.68, 229,159.44 and 77,817.64 is: 116,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,842.68 : 229,159.44 = 77,817.64 : x
  2. Step 2: Convert to fraction form
    152,842.68/229,159.44 = 77,817.64/x
  3. Step 3: Cross multiply
    152,842.68x = 229,159.44 × 77,817.64
  4. Step 4: Simplify right side
    152,842.68x = 17,832,646,804.52
  5. Step 5: Solve for x
    x = 17,832,646,804.52/152,842.68
  6. Step 6: Final answer
    x = 116,673.21

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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.