Home / 165,798.34-248,502.70-76,864.66

Finding the Fourth Proportional to 165,798.34, 248,502.70 and 76,864.66

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Solution

The fourth proportional to 165,798.34, 248,502.70 and 76,864.66 is: 115,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,798.34 : 248,502.70 = 76,864.66 : x
  2. Step 2: Convert to fraction form
    165,798.34/248,502.70 = 76,864.66/x
  3. Step 3: Cross multiply
    165,798.34x = 248,502.70 × 76,864.66
  4. Step 4: Simplify right side
    165,798.34x = 19,101,075,544.58
  5. Step 5: Solve for x
    x = 19,101,075,544.58/165,798.34
  6. Step 6: Final answer
    x = 115,206.68

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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.