Home / 113,952.49-157,215.94-66,166.54

Finding the Fourth Proportional to 113,952.49, 157,215.94 and 66,166.54

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Solution

The fourth proportional to 113,952.49, 157,215.94 and 66,166.54 is: 91,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,952.49 : 157,215.94 = 66,166.54 : x
  2. Step 2: Convert to fraction form
    113,952.49/157,215.94 = 66,166.54/x
  3. Step 3: Cross multiply
    113,952.49x = 157,215.94 × 66,166.54
  4. Step 4: Simplify right side
    113,952.49x = 10,402,434,782.65
  5. Step 5: Solve for x
    x = 10,402,434,782.65/113,952.49
  6. Step 6: Final answer
    x = 91,287.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.